Home / 42,154.87-63,225.93-15,853.48

Finding the Fourth Proportional to 42,154.87, 63,225.93 and 15,853.48

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Solution

The fourth proportional to 42,154.87, 63,225.93 and 15,853.48 is: 23,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154.87 : 63,225.93 = 15,853.48 : x
  2. Step 2: Convert to fraction form
    42,154.87/63,225.93 = 15,853.48/x
  3. Step 3: Cross multiply
    42,154.87x = 63,225.93 × 15,853.48
  4. Step 4: Simplify right side
    42,154.87x = 1,002,351,016.74
  5. Step 5: Solve for x
    x = 1,002,351,016.74/42,154.87
  6. Step 6: Final answer
    x = 23,777.82

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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.