Home / 28,028.52-38,649.65-17,957.39

Finding the Fourth Proportional to 28,028.52, 38,649.65 and 17,957.39

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Solution

The fourth proportional to 28,028.52, 38,649.65 and 17,957.39 is: 24,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.52 : 38,649.65 = 17,957.39 : x
  2. Step 2: Convert to fraction form
    28,028.52/38,649.65 = 17,957.39/x
  3. Step 3: Cross multiply
    28,028.52x = 38,649.65 × 17,957.39
  4. Step 4: Simplify right side
    28,028.52x = 694,046,555.38
  5. Step 5: Solve for x
    x = 694,046,555.38/28,028.52
  6. Step 6: Final answer
    x = 24,762.15

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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.