Home / 21,426.77-32,160.90-10,341.24

Finding the Fourth Proportional to 21,426.77, 32,160.90 and 10,341.24

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Solution

The fourth proportional to 21,426.77, 32,160.90 and 10,341.24 is: 15,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.77 : 32,160.90 = 10,341.24 : x
  2. Step 2: Convert to fraction form
    21,426.77/32,160.90 = 10,341.24/x
  3. Step 3: Cross multiply
    21,426.77x = 32,160.90 × 10,341.24
  4. Step 4: Simplify right side
    21,426.77x = 332,583,585.52
  5. Step 5: Solve for x
    x = 332,583,585.52/21,426.77
  6. Step 6: Final answer
    x = 15,521.88

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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.