Home / 28,444.71-42,648.84-11,816.22

Finding the Fourth Proportional to 28,444.71, 42,648.84 and 11,816.22

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Solution

The fourth proportional to 28,444.71, 42,648.84 and 11,816.22 is: 17,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.71 : 42,648.84 = 11,816.22 : x
  2. Step 2: Convert to fraction form
    28,444.71/42,648.84 = 11,816.22/x
  3. Step 3: Cross multiply
    28,444.71x = 42,648.84 × 11,816.22
  4. Step 4: Simplify right side
    28,444.71x = 503,948,076.18
  5. Step 5: Solve for x
    x = 503,948,076.18/28,444.71
  6. Step 6: Final answer
    x = 17,716.76

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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.