Home / 25,811.10-38,716.65-23,672.70

Finding the Fourth Proportional to 25,811.10, 38,716.65 and 23,672.70

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Solution

The fourth proportional to 25,811.10, 38,716.65 and 23,672.70 is: 35,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.10 : 38,716.65 = 23,672.70 : x
  2. Step 2: Convert to fraction form
    25,811.10/38,716.65 = 23,672.70/x
  3. Step 3: Cross multiply
    25,811.10x = 38,716.65 × 23,672.70
  4. Step 4: Simplify right side
    25,811.10x = 916,527,640.46
  5. Step 5: Solve for x
    x = 916,527,640.46/25,811.10
  6. Step 6: Final answer
    x = 35,509.05

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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.