Home / 28,226.43-38,952.60-15,651.18

Finding the Fourth Proportional to 28,226.43, 38,952.60 and 15,651.18

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Solution

The fourth proportional to 28,226.43, 38,952.60 and 15,651.18 is: 21,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.43 : 38,952.60 = 15,651.18 : x
  2. Step 2: Convert to fraction form
    28,226.43/38,952.60 = 15,651.18/x
  3. Step 3: Cross multiply
    28,226.43x = 38,952.60 × 15,651.18
  4. Step 4: Simplify right side
    28,226.43x = 609,654,154.07
  5. Step 5: Solve for x
    x = 609,654,154.07/28,226.43
  6. Step 6: Final answer
    x = 21,598.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.