Home / 25,329.16-37,998.40-8,690.88

Finding the Fourth Proportional to 25,329.16, 37,998.40 and 8,690.88

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Solution

The fourth proportional to 25,329.16, 37,998.40 and 8,690.88 is: 13,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.16 : 37,998.40 = 8,690.88 : x
  2. Step 2: Convert to fraction form
    25,329.16/37,998.40 = 8,690.88/x
  3. Step 3: Cross multiply
    25,329.16x = 37,998.40 × 8,690.88
  4. Step 4: Simplify right side
    25,329.16x = 330,239,534.59
  5. Step 5: Solve for x
    x = 330,239,534.59/25,329.16
  6. Step 6: Final answer
    x = 13,037.92

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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.