Home / 42,216.93-63,325.40-15,915.53

Finding the Fourth Proportional to 42,216.93, 63,325.40 and 15,915.53

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Solution

The fourth proportional to 42,216.93, 63,325.40 and 15,915.53 is: 23,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,216.93 : 63,325.40 = 15,915.53 : x
  2. Step 2: Convert to fraction form
    42,216.93/63,325.40 = 15,915.53/x
  3. Step 3: Cross multiply
    42,216.93x = 63,325.40 × 15,915.53
  4. Step 4: Simplify right side
    42,216.93x = 1,007,857,382.20
  5. Step 5: Solve for x
    x = 1,007,857,382.20/42,216.93
  6. Step 6: Final answer
    x = 23,873.30

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1.5x scale

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.