Home / 28,084.47-38,752.15-16,145.58

Finding the Fourth Proportional to 28,084.47, 38,752.15 and 16,145.58

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Solution

The fourth proportional to 28,084.47, 38,752.15 and 16,145.58 is: 22,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.47 : 38,752.15 = 16,145.58 : x
  2. Step 2: Convert to fraction form
    28,084.47/38,752.15 = 16,145.58/x
  3. Step 3: Cross multiply
    28,084.47x = 38,752.15 × 16,145.58
  4. Step 4: Simplify right side
    28,084.47x = 625,675,938.00
  5. Step 5: Solve for x
    x = 625,675,938.00/28,084.47
  6. Step 6: Final answer
    x = 22,278.36

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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.