Home / 29,384.78-40,550.86-15,955.92

Finding the Fourth Proportional to 29,384.78, 40,550.86 and 15,955.92

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Solution

The fourth proportional to 29,384.78, 40,550.86 and 15,955.92 is: 22,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,384.78 : 40,550.86 = 15,955.92 : x
  2. Step 2: Convert to fraction form
    29,384.78/40,550.86 = 15,955.92/x
  3. Step 3: Cross multiply
    29,384.78x = 40,550.86 × 15,955.92
  4. Step 4: Simplify right side
    29,384.78x = 647,026,298.04
  5. Step 5: Solve for x
    x = 647,026,298.04/29,384.78
  6. Step 6: Final answer
    x = 22,019.10

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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.