Home / 25,690.40-38,449.20-23,616.80

Finding the Fourth Proportional to 25,690.40, 38,449.20 and 23,616.80

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Solution

The fourth proportional to 25,690.40, 38,449.20 and 23,616.80 is: 35,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.40 : 38,449.20 = 23,616.80 : x
  2. Step 2: Convert to fraction form
    25,690.40/38,449.20 = 23,616.80/x
  3. Step 3: Cross multiply
    25,690.40x = 38,449.20 × 23,616.80
  4. Step 4: Simplify right side
    25,690.40x = 908,047,066.56
  5. Step 5: Solve for x
    x = 908,047,066.56/25,690.40
  6. Step 6: Final answer
    x = 35,345.77

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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.