Home / 21,432.56-32,127.32-10,336.08

Finding the Fourth Proportional to 21,432.56, 32,127.32 and 10,336.08

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Solution

The fourth proportional to 21,432.56, 32,127.32 and 10,336.08 is: 15,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432.56 : 32,127.32 = 10,336.08 : x
  2. Step 2: Convert to fraction form
    21,432.56/32,127.32 = 10,336.08/x
  3. Step 3: Cross multiply
    21,432.56x = 32,127.32 × 10,336.08
  4. Step 4: Simplify right side
    21,432.56x = 332,070,549.71
  5. Step 5: Solve for x
    x = 332,070,549.71/21,432.56
  6. Step 6: Final answer
    x = 15,493.74

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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.