Home / 29,317.92-40,458.76-15,889.17

Finding the Fourth Proportional to 29,317.92, 40,458.76 and 15,889.17

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Solution

The fourth proportional to 29,317.92, 40,458.76 and 15,889.17 is: 21,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,317.92 : 40,458.76 = 15,889.17 : x
  2. Step 2: Convert to fraction form
    29,317.92/40,458.76 = 15,889.17/x
  3. Step 3: Cross multiply
    29,317.92x = 40,458.76 × 15,889.17
  4. Step 4: Simplify right side
    29,317.92x = 642,856,115.63
  5. Step 5: Solve for x
    x = 642,856,115.63/29,317.92
  6. Step 6: Final answer
    x = 21,927.07

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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.