Home / 22,035.02-30,385.07-15,654.95

Finding the Fourth Proportional to 22,035.02, 30,385.07 and 15,654.95

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Solution

The fourth proportional to 22,035.02, 30,385.07 and 15,654.95 is: 21,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.02 : 30,385.07 = 15,654.95 : x
  2. Step 2: Convert to fraction form
    22,035.02/30,385.07 = 15,654.95/x
  3. Step 3: Cross multiply
    22,035.02x = 30,385.07 × 15,654.95
  4. Step 4: Simplify right side
    22,035.02x = 475,676,866.70
  5. Step 5: Solve for x
    x = 475,676,866.70/22,035.02
  6. Step 6: Final answer
    x = 21,587.32

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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.