Home / 25,479.81-38,178.46-15,589.11

Finding the Fourth Proportional to 25,479.81, 38,178.46 and 15,589.11

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Solution

The fourth proportional to 25,479.81, 38,178.46 and 15,589.11 is: 23,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.81 : 38,178.46 = 15,589.11 : x
  2. Step 2: Convert to fraction form
    25,479.81/38,178.46 = 15,589.11/x
  3. Step 3: Cross multiply
    25,479.81x = 38,178.46 × 15,589.11
  4. Step 4: Simplify right side
    25,479.81x = 595,168,212.57
  5. Step 5: Solve for x
    x = 595,168,212.57/25,479.81
  6. Step 6: Final answer
    x = 23,358.42

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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.