Home / 42,165.74-63,257.73-15,870.41

Finding the Fourth Proportional to 42,165.74, 63,257.73 and 15,870.41

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Solution

The fourth proportional to 42,165.74, 63,257.73 and 15,870.41 is: 23,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,165.74 : 63,257.73 = 15,870.41 : x
  2. Step 2: Convert to fraction form
    42,165.74/63,257.73 = 15,870.41/x
  3. Step 3: Cross multiply
    42,165.74x = 63,257.73 × 15,870.41
  4. Step 4: Simplify right side
    42,165.74x = 1,003,925,972.18
  5. Step 5: Solve for x
    x = 1,003,925,972.18/42,165.74
  6. Step 6: Final answer
    x = 23,809.04

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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.