Home / 28,463.57-42,646.14-22,140.41

Finding the Fourth Proportional to 28,463.57, 42,646.14 and 22,140.41

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Solution

The fourth proportional to 28,463.57, 42,646.14 and 22,140.41 is: 33,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.57 : 42,646.14 = 22,140.41 : x
  2. Step 2: Convert to fraction form
    28,463.57/42,646.14 = 22,140.41/x
  3. Step 3: Cross multiply
    28,463.57x = 42,646.14 × 22,140.41
  4. Step 4: Simplify right side
    28,463.57x = 944,202,811.29
  5. Step 5: Solve for x
    x = 944,202,811.29/28,463.57
  6. Step 6: Final answer
    x = 33,172.33

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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.