Home / 25,392.62-35,020.10-15,318.92

Finding the Fourth Proportional to 25,392.62, 35,020.10 and 15,318.92

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Solution

The fourth proportional to 25,392.62, 35,020.10 and 15,318.92 is: 21,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,392.62 : 35,020.10 = 15,318.92 : x
  2. Step 2: Convert to fraction form
    25,392.62/35,020.10 = 15,318.92/x
  3. Step 3: Cross multiply
    25,392.62x = 35,020.10 × 15,318.92
  4. Step 4: Simplify right side
    25,392.62x = 536,470,110.29
  5. Step 5: Solve for x
    x = 536,470,110.29/25,392.62
  6. Step 6: Final answer
    x = 21,127.01

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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.