Home / 29,389.31-40,557.54-15,960.68

Finding the Fourth Proportional to 29,389.31, 40,557.54 and 15,960.68

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Solution

The fourth proportional to 29,389.31, 40,557.54 and 15,960.68 is: 22,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.31 : 40,557.54 = 15,960.68 : x
  2. Step 2: Convert to fraction form
    29,389.31/40,557.54 = 15,960.68/x
  3. Step 3: Cross multiply
    29,389.31x = 40,557.54 × 15,960.68
  4. Step 4: Simplify right side
    29,389.31x = 647,325,714.74
  5. Step 5: Solve for x
    x = 647,325,714.74/29,389.31
  6. Step 6: Final answer
    x = 22,025.89

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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.