Home / 85,494.32-128,267.28-25,524.74

Finding the Fourth Proportional to 85,494.32, 128,267.28 and 25,524.74

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Solution

The fourth proportional to 85,494.32, 128,267.28 and 25,524.74 is: 38,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,494.32 : 128,267.28 = 25,524.74 : x
  2. Step 2: Convert to fraction form
    85,494.32/128,267.28 = 25,524.74/x
  3. Step 3: Cross multiply
    85,494.32x = 128,267.28 × 25,524.74
  4. Step 4: Simplify right side
    85,494.32x = 3,273,988,972.51
  5. Step 5: Solve for x
    x = 3,273,988,972.51/85,494.32
  6. Step 6: Final answer
    x = 38,294.81

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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.