Home / 25,081.04-37,621.56-8,438

Finding the Fourth Proportional to 25,081.04, 37,621.56 and 8,438

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Solution

The fourth proportional to 25,081.04, 37,621.56 and 8,438 is: 12,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.04 : 37,621.56 = 8,438 : x
  2. Step 2: Convert to fraction form
    25,081.04/37,621.56 = 8,438/x
  3. Step 3: Cross multiply
    25,081.04x = 37,621.56 × 8,438
  4. Step 4: Simplify right side
    25,081.04x = 317,450,723.28
  5. Step 5: Solve for x
    x = 317,450,723.28/25,081.04
  6. Step 6: Final answer
    x = 12,657.00

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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.