Home / 28,332.25-39,098.51-15,756.73

Finding the Fourth Proportional to 28,332.25, 39,098.51 and 15,756.73

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Solution

The fourth proportional to 28,332.25, 39,098.51 and 15,756.73 is: 21,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.25 : 39,098.51 = 15,756.73 : x
  2. Step 2: Convert to fraction form
    28,332.25/39,098.51 = 15,756.73/x
  3. Step 3: Cross multiply
    28,332.25x = 39,098.51 × 15,756.73
  4. Step 4: Simplify right side
    28,332.25x = 616,064,665.47
  5. Step 5: Solve for x
    x = 616,064,665.47/28,332.25
  6. Step 6: Final answer
    x = 21,744.29

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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.