Home / 29,389.79-40,557.57-15,961.15

Finding the Fourth Proportional to 29,389.79, 40,557.57 and 15,961.15

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Solution

The fourth proportional to 29,389.79, 40,557.57 and 15,961.15 is: 22,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.79 : 40,557.57 = 15,961.15 : x
  2. Step 2: Convert to fraction form
    29,389.79/40,557.57 = 15,961.15/x
  3. Step 3: Cross multiply
    29,389.79x = 40,557.57 × 15,961.15
  4. Step 4: Simplify right side
    29,389.79x = 647,345,449.25
  5. Step 5: Solve for x
    x = 647,345,449.25/29,389.79
  6. Step 6: Final answer
    x = 22,026.20

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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.