Home / 29,251.54-40,367.14-15,822.80

Finding the Fourth Proportional to 29,251.54, 40,367.14 and 15,822.80

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Solution

The fourth proportional to 29,251.54, 40,367.14 and 15,822.80 is: 21,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251.54 : 40,367.14 = 15,822.80 : x
  2. Step 2: Convert to fraction form
    29,251.54/40,367.14 = 15,822.80/x
  3. Step 3: Cross multiply
    29,251.54x = 40,367.14 × 15,822.80
  4. Step 4: Simplify right side
    29,251.54x = 638,721,182.79
  5. Step 5: Solve for x
    x = 638,721,182.79/29,251.54
  6. Step 6: Final answer
    x = 21,835.47

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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.