Home / 24,432.14-33,686.80-20,648.63

Finding the Fourth Proportional to 24,432.14, 33,686.80 and 20,648.63

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Solution

The fourth proportional to 24,432.14, 33,686.80 and 20,648.63 is: 28,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,432.14 : 33,686.80 = 20,648.63 : x
  2. Step 2: Convert to fraction form
    24,432.14/33,686.80 = 20,648.63/x
  3. Step 3: Cross multiply
    24,432.14x = 33,686.80 × 20,648.63
  4. Step 4: Simplify right side
    24,432.14x = 695,586,049.03
  5. Step 5: Solve for x
    x = 695,586,049.03/24,432.14
  6. Step 6: Final answer
    x = 28,470.13

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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.