Home / 28,359.50-39,129.41-23,839.36

Finding the Fourth Proportional to 28,359.50, 39,129.41 and 23,839.36

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Solution

The fourth proportional to 28,359.50, 39,129.41 and 23,839.36 is: 32,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.50 : 39,129.41 = 23,839.36 : x
  2. Step 2: Convert to fraction form
    28,359.50/39,129.41 = 23,839.36/x
  3. Step 3: Cross multiply
    28,359.50x = 39,129.41 × 23,839.36
  4. Step 4: Simplify right side
    28,359.50x = 932,820,053.35
  5. Step 5: Solve for x
    x = 932,820,053.35/28,359.50
  6. Step 6: Final answer
    x = 32,892.69

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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.