Home / 40,904.28-61,331.32-15,915.24

Finding the Fourth Proportional to 40,904.28, 61,331.32 and 15,915.24

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Solution

The fourth proportional to 40,904.28, 61,331.32 and 15,915.24 is: 23,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.28 : 61,331.32 = 15,915.24 : x
  2. Step 2: Convert to fraction form
    40,904.28/61,331.32 = 15,915.24/x
  3. Step 3: Cross multiply
    40,904.28x = 61,331.32 × 15,915.24
  4. Step 4: Simplify right side
    40,904.28x = 976,102,677.32
  5. Step 5: Solve for x
    x = 976,102,677.32/40,904.28
  6. Step 6: Final answer
    x = 23,863.09

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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.