Home / 42,274.93-63,416.59-15,627.90

Finding the Fourth Proportional to 42,274.93, 63,416.59 and 15,627.90

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Solution

The fourth proportional to 42,274.93, 63,416.59 and 15,627.90 is: 23,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,274.93 : 63,416.59 = 15,627.90 : x
  2. Step 2: Convert to fraction form
    42,274.93/63,416.59 = 15,627.90/x
  3. Step 3: Cross multiply
    42,274.93x = 63,416.59 × 15,627.90
  4. Step 4: Simplify right side
    42,274.93x = 991,068,087.79
  5. Step 5: Solve for x
    x = 991,068,087.79/42,274.93
  6. Step 6: Final answer
    x = 23,443.40

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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.