Home / 40,286.64-60,420.85-15,317.78

Finding the Fourth Proportional to 40,286.64, 60,420.85 and 15,317.78

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Solution

The fourth proportional to 40,286.64, 60,420.85 and 15,317.78 is: 22,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.64 : 60,420.85 = 15,317.78 : x
  2. Step 2: Convert to fraction form
    40,286.64/60,420.85 = 15,317.78/x
  3. Step 3: Cross multiply
    40,286.64x = 60,420.85 × 15,317.78
  4. Step 4: Simplify right side
    40,286.64x = 925,513,400.47
  5. Step 5: Solve for x
    x = 925,513,400.47/40,286.64
  6. Step 6: Final answer
    x = 22,973.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.