Home / 28,112.83-42,182.91-13,304.11

Finding the Fourth Proportional to 28,112.83, 42,182.91 and 13,304.11

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Solution

The fourth proportional to 28,112.83, 42,182.91 and 13,304.11 is: 19,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,112.83 : 42,182.91 = 13,304.11 : x
  2. Step 2: Convert to fraction form
    28,112.83/42,182.91 = 13,304.11/x
  3. Step 3: Cross multiply
    28,112.83x = 42,182.91 × 13,304.11
  4. Step 4: Simplify right side
    28,112.83x = 561,206,074.76
  5. Step 5: Solve for x
    x = 561,206,074.76/28,112.83
  6. Step 6: Final answer
    x = 19,962.63

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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.