Home / 28,989.14-40,024.20-22,262.70

Finding the Fourth Proportional to 28,989.14, 40,024.20 and 22,262.70

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Solution

The fourth proportional to 28,989.14, 40,024.20 and 22,262.70 is: 30,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.14 : 40,024.20 = 22,262.70 : x
  2. Step 2: Convert to fraction form
    28,989.14/40,024.20 = 22,262.70/x
  3. Step 3: Cross multiply
    28,989.14x = 40,024.20 × 22,262.70
  4. Step 4: Simplify right side
    28,989.14x = 891,046,557.22
  5. Step 5: Solve for x
    x = 891,046,557.22/28,989.14
  6. Step 6: Final answer
    x = 30,737.26

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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.