Home / 25,621.13-38,438.17-7,153.13

Finding the Fourth Proportional to 25,621.13, 38,438.17 and 7,153.13

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Solution

The fourth proportional to 25,621.13, 38,438.17 and 7,153.13 is: 10,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.13 : 38,438.17 = 7,153.13 : x
  2. Step 2: Convert to fraction form
    25,621.13/38,438.17 = 7,153.13/x
  3. Step 3: Cross multiply
    25,621.13x = 38,438.17 × 7,153.13
  4. Step 4: Simplify right side
    25,621.13x = 274,953,226.97
  5. Step 5: Solve for x
    x = 274,953,226.97/25,621.13
  6. Step 6: Final answer
    x = 10,731.50

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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.