Home / 29,291.48-40,408.26-28,159.88

Finding the Fourth Proportional to 29,291.48, 40,408.26 and 28,159.88

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Solution

The fourth proportional to 29,291.48, 40,408.26 and 28,159.88 is: 38,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,291.48 : 40,408.26 = 28,159.88 : x
  2. Step 2: Convert to fraction form
    29,291.48/40,408.26 = 28,159.88/x
  3. Step 3: Cross multiply
    29,291.48x = 40,408.26 × 28,159.88
  4. Step 4: Simplify right side
    29,291.48x = 1,137,891,752.61
  5. Step 5: Solve for x
    x = 1,137,891,752.61/29,291.48
  6. Step 6: Final answer
    x = 38,847.19

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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.