Home / 29,312.60-40,451.13-15,883.47

Finding the Fourth Proportional to 29,312.60, 40,451.13 and 15,883.47

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Solution

The fourth proportional to 29,312.60, 40,451.13 and 15,883.47 is: 21,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.60 : 40,451.13 = 15,883.47 : x
  2. Step 2: Convert to fraction form
    29,312.60/40,451.13 = 15,883.47/x
  3. Step 3: Cross multiply
    29,312.60x = 40,451.13 × 15,883.47
  4. Step 4: Simplify right side
    29,312.60x = 642,504,309.82
  5. Step 5: Solve for x
    x = 642,504,309.82/29,312.60
  6. Step 6: Final answer
    x = 21,919.05

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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.