Home / 40,288.64-60,432.96-16,915.08

Finding the Fourth Proportional to 40,288.64, 60,432.96 and 16,915.08

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Solution

The fourth proportional to 40,288.64, 60,432.96 and 16,915.08 is: 25,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.64 : 60,432.96 = 16,915.08 : x
  2. Step 2: Convert to fraction form
    40,288.64/60,432.96 = 16,915.08/x
  3. Step 3: Cross multiply
    40,288.64x = 60,432.96 × 16,915.08
  4. Step 4: Simplify right side
    40,288.64x = 1,022,228,255.58
  5. Step 5: Solve for x
    x = 1,022,228,255.58/40,288.64
  6. Step 6: Final answer
    x = 25,372.62

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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.