Home / 29,385.12-40,550.58-15,956.13

Finding the Fourth Proportional to 29,385.12, 40,550.58 and 15,956.13

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Solution

The fourth proportional to 29,385.12, 40,550.58 and 15,956.13 is: 22,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.12 : 40,550.58 = 15,956.13 : x
  2. Step 2: Convert to fraction form
    29,385.12/40,550.58 = 15,956.13/x
  3. Step 3: Cross multiply
    29,385.12x = 40,550.58 × 15,956.13
  4. Step 4: Simplify right side
    29,385.12x = 647,030,326.06
  5. Step 5: Solve for x
    x = 647,030,326.06/29,385.12
  6. Step 6: Final answer
    x = 22,018.98

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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.