Home / 21,376.92-32,071.88-15,148.99

Finding the Fourth Proportional to 21,376.92, 32,071.88 and 15,148.99

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Solution

The fourth proportional to 21,376.92, 32,071.88 and 15,148.99 is: 22,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.92 : 32,071.88 = 15,148.99 : x
  2. Step 2: Convert to fraction form
    21,376.92/32,071.88 = 15,148.99/x
  3. Step 3: Cross multiply
    21,376.92x = 32,071.88 × 15,148.99
  4. Step 4: Simplify right side
    21,376.92x = 485,856,433.48
  5. Step 5: Solve for x
    x = 485,856,433.48/21,376.92
  6. Step 6: Final answer
    x = 22,728.08

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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.