Home / 38,655.90-57,984.12-10,575.36

Finding the Fourth Proportional to 38,655.90, 57,984.12 and 10,575.36

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Solution

The fourth proportional to 38,655.90, 57,984.12 and 10,575.36 is: 15,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655.90 : 57,984.12 = 10,575.36 : x
  2. Step 2: Convert to fraction form
    38,655.90/57,984.12 = 10,575.36/x
  3. Step 3: Cross multiply
    38,655.90x = 57,984.12 × 10,575.36
  4. Step 4: Simplify right side
    38,655.90x = 613,202,943.28
  5. Step 5: Solve for x
    x = 613,202,943.28/38,655.90
  6. Step 6: Final answer
    x = 15,863.11

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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.