Home / 29,278.29-40,402.51-17,177.09

Finding the Fourth Proportional to 29,278.29, 40,402.51 and 17,177.09

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Solution

The fourth proportional to 29,278.29, 40,402.51 and 17,177.09 is: 23,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.29 : 40,402.51 = 17,177.09 : x
  2. Step 2: Convert to fraction form
    29,278.29/40,402.51 = 17,177.09/x
  3. Step 3: Cross multiply
    29,278.29x = 40,402.51 × 17,177.09
  4. Step 4: Simplify right side
    29,278.29x = 693,997,464.61
  5. Step 5: Solve for x
    x = 693,997,464.61/29,278.29
  6. Step 6: Final answer
    x = 23,703.48

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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.