Home / 28,513.74-42,741.90-11,882.97

Finding the Fourth Proportional to 28,513.74, 42,741.90 and 11,882.97

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Solution

The fourth proportional to 28,513.74, 42,741.90 and 11,882.97 is: 17,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513.74 : 42,741.90 = 11,882.97 : x
  2. Step 2: Convert to fraction form
    28,513.74/42,741.90 = 11,882.97/x
  3. Step 3: Cross multiply
    28,513.74x = 42,741.90 × 11,882.97
  4. Step 4: Simplify right side
    28,513.74x = 507,900,715.44
  5. Step 5: Solve for x
    x = 507,900,715.44/28,513.74
  6. Step 6: Final answer
    x = 17,812.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.