Home / 25,574.20-38,313.78-13,897.24

Finding the Fourth Proportional to 25,574.20, 38,313.78 and 13,897.24

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Solution

The fourth proportional to 25,574.20, 38,313.78 and 13,897.24 is: 20,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,574.20 : 38,313.78 = 13,897.24 : x
  2. Step 2: Convert to fraction form
    25,574.20/38,313.78 = 13,897.24/x
  3. Step 3: Cross multiply
    25,574.20x = 38,313.78 × 13,897.24
  4. Step 4: Simplify right side
    25,574.20x = 532,455,795.97
  5. Step 5: Solve for x
    x = 532,455,795.97/25,574.20
  6. Step 6: Final answer
    x = 20,820.04

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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.