Home / 29,339.13-40,488.03-15,910.35

Finding the Fourth Proportional to 29,339.13, 40,488.03 and 15,910.35

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Solution

The fourth proportional to 29,339.13, 40,488.03 and 15,910.35 is: 21,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.13 : 40,488.03 = 15,910.35 : x
  2. Step 2: Convert to fraction form
    29,339.13/40,488.03 = 15,910.35/x
  3. Step 3: Cross multiply
    29,339.13x = 40,488.03 × 15,910.35
  4. Step 4: Simplify right side
    29,339.13x = 644,178,728.11
  5. Step 5: Solve for x
    x = 644,178,728.11/29,339.13
  6. Step 6: Final answer
    x = 21,956.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.