Home / 42,415.20-63,583.84-14,693.76

Finding the Fourth Proportional to 42,415.20, 63,583.84 and 14,693.76

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Solution

The fourth proportional to 42,415.20, 63,583.84 and 14,693.76 is: 22,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,415.20 : 63,583.84 = 14,693.76 : x
  2. Step 2: Convert to fraction form
    42,415.20/63,583.84 = 14,693.76/x
  3. Step 3: Cross multiply
    42,415.20x = 63,583.84 × 14,693.76
  4. Step 4: Simplify right side
    42,415.20x = 934,285,684.84
  5. Step 5: Solve for x
    x = 934,285,684.84/42,415.20
  6. Step 6: Final answer
    x = 22,027.14

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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.