Home / 26,387.64-36,402.48-15,625.71

Finding the Fourth Proportional to 26,387.64, 36,402.48 and 15,625.71

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Solution

The fourth proportional to 26,387.64, 36,402.48 and 15,625.71 is: 21,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.64 : 36,402.48 = 15,625.71 : x
  2. Step 2: Convert to fraction form
    26,387.64/36,402.48 = 15,625.71/x
  3. Step 3: Cross multiply
    26,387.64x = 36,402.48 × 15,625.71
  4. Step 4: Simplify right side
    26,387.64x = 568,814,595.76
  5. Step 5: Solve for x
    x = 568,814,595.76/26,387.64
  6. Step 6: Final answer
    x = 21,556.10

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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.