Home / 25,437.92-38,053.12-20,513.12

Finding the Fourth Proportional to 25,437.92, 38,053.12 and 20,513.12

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Solution

The fourth proportional to 25,437.92, 38,053.12 and 20,513.12 is: 30,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437.92 : 38,053.12 = 20,513.12 : x
  2. Step 2: Convert to fraction form
    25,437.92/38,053.12 = 20,513.12/x
  3. Step 3: Cross multiply
    25,437.92x = 38,053.12 × 20,513.12
  4. Step 4: Simplify right side
    25,437.92x = 780,588,216.93
  5. Step 5: Solve for x
    x = 780,588,216.93/25,437.92
  6. Step 6: Final answer
    x = 30,686.01

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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.