Home / 28,221.04-42,248.76-14,862.52

Finding the Fourth Proportional to 28,221.04, 42,248.76 and 14,862.52

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Solution

The fourth proportional to 28,221.04, 42,248.76 and 14,862.52 is: 22,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221.04 : 42,248.76 = 14,862.52 : x
  2. Step 2: Convert to fraction form
    28,221.04/42,248.76 = 14,862.52/x
  3. Step 3: Cross multiply
    28,221.04x = 42,248.76 × 14,862.52
  4. Step 4: Simplify right side
    28,221.04x = 627,923,040.48
  5. Step 5: Solve for x
    x = 627,923,040.48/28,221.04
  6. Step 6: Final answer
    x = 22,250.17

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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.