Home / 25,381.22-38,070.95-6,661.11

Finding the Fourth Proportional to 25,381.22, 38,070.95 and 6,661.11

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Solution

The fourth proportional to 25,381.22, 38,070.95 and 6,661.11 is: 9,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.22 : 38,070.95 = 6,661.11 : x
  2. Step 2: Convert to fraction form
    25,381.22/38,070.95 = 6,661.11/x
  3. Step 3: Cross multiply
    25,381.22x = 38,070.95 × 6,661.11
  4. Step 4: Simplify right side
    25,381.22x = 253,594,785.75
  5. Step 5: Solve for x
    x = 253,594,785.75/25,381.22
  6. Step 6: Final answer
    x = 9,991.43

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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.