Home / 28,486.53-39,308.76-16,549.70

Finding the Fourth Proportional to 28,486.53, 39,308.76 and 16,549.70

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Solution

The fourth proportional to 28,486.53, 39,308.76 and 16,549.70 is: 22,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.53 : 39,308.76 = 16,549.70 : x
  2. Step 2: Convert to fraction form
    28,486.53/39,308.76 = 16,549.70/x
  3. Step 3: Cross multiply
    28,486.53x = 39,308.76 × 16,549.70
  4. Step 4: Simplify right side
    28,486.53x = 650,547,988.83
  5. Step 5: Solve for x
    x = 650,547,988.83/28,486.53
  6. Step 6: Final answer
    x = 22,837.04

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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.