Home / 28,023.90-42,084.45-14,901.90

Finding the Fourth Proportional to 28,023.90, 42,084.45 and 14,901.90

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Solution

The fourth proportional to 28,023.90, 42,084.45 and 14,901.90 is: 22,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.90 : 42,084.45 = 14,901.90 : x
  2. Step 2: Convert to fraction form
    28,023.90/42,084.45 = 14,901.90/x
  3. Step 3: Cross multiply
    28,023.90x = 42,084.45 × 14,901.90
  4. Step 4: Simplify right side
    28,023.90x = 627,138,265.46
  5. Step 5: Solve for x
    x = 627,138,265.46/28,023.90
  6. Step 6: Final answer
    x = 22,378.69

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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.