Home / 29,375.81-40,538.63-15,947.05

Finding the Fourth Proportional to 29,375.81, 40,538.63 and 15,947.05

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Solution

The fourth proportional to 29,375.81, 40,538.63 and 15,947.05 is: 22,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.81 : 40,538.63 = 15,947.05 : x
  2. Step 2: Convert to fraction form
    29,375.81/40,538.63 = 15,947.05/x
  3. Step 3: Cross multiply
    29,375.81x = 40,538.63 × 15,947.05
  4. Step 4: Simplify right side
    29,375.81x = 646,471,598.39
  5. Step 5: Solve for x
    x = 646,471,598.39/29,375.81
  6. Step 6: Final answer
    x = 22,006.93

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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.