Home / 25,443.28-38,176.28-9,862.12

Finding the Fourth Proportional to 25,443.28, 38,176.28 and 9,862.12

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Solution

The fourth proportional to 25,443.28, 38,176.28 and 9,862.12 is: 14,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.28 : 38,176.28 = 9,862.12 : x
  2. Step 2: Convert to fraction form
    25,443.28/38,176.28 = 9,862.12/x
  3. Step 3: Cross multiply
    25,443.28x = 38,176.28 × 9,862.12
  4. Step 4: Simplify right side
    25,443.28x = 376,499,054.51
  5. Step 5: Solve for x
    x = 376,499,054.51/25,443.28
  6. Step 6: Final answer
    x = 14,797.58

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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.