Home / 28,547.68-39,396.08-17,217.76

Finding the Fourth Proportional to 28,547.68, 39,396.08 and 17,217.76

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Solution

The fourth proportional to 28,547.68, 39,396.08 and 17,217.76 is: 23,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.68 : 39,396.08 = 17,217.76 : x
  2. Step 2: Convert to fraction form
    28,547.68/39,396.08 = 17,217.76/x
  3. Step 3: Cross multiply
    28,547.68x = 39,396.08 × 17,217.76
  4. Step 4: Simplify right side
    28,547.68x = 678,312,250.38
  5. Step 5: Solve for x
    x = 678,312,250.38/28,547.68
  6. Step 6: Final answer
    x = 23,760.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.