Home / 28,932.30-43,398.45-13,341.42

Finding the Fourth Proportional to 28,932.30, 43,398.45 and 13,341.42

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Solution

The fourth proportional to 28,932.30, 43,398.45 and 13,341.42 is: 20,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.30 : 43,398.45 = 13,341.42 : x
  2. Step 2: Convert to fraction form
    28,932.30/43,398.45 = 13,341.42/x
  3. Step 3: Cross multiply
    28,932.30x = 43,398.45 × 13,341.42
  4. Step 4: Simplify right side
    28,932.30x = 578,996,948.80
  5. Step 5: Solve for x
    x = 578,996,948.80/28,932.30
  6. Step 6: Final answer
    x = 20,012.13

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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.