Home / 25,532.08-38,297.58-13,689.88

Finding the Fourth Proportional to 25,532.08, 38,297.58 and 13,689.88

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Solution

The fourth proportional to 25,532.08, 38,297.58 and 13,689.88 is: 20,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532.08 : 38,297.58 = 13,689.88 : x
  2. Step 2: Convert to fraction form
    25,532.08/38,297.58 = 13,689.88/x
  3. Step 3: Cross multiply
    25,532.08x = 38,297.58 × 13,689.88
  4. Step 4: Simplify right side
    25,532.08x = 524,289,274.49
  5. Step 5: Solve for x
    x = 524,289,274.49/25,532.08
  6. Step 6: Final answer
    x = 20,534.53

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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.