Home / 28,044.98-42,079.84-13,264.52

Finding the Fourth Proportional to 28,044.98, 42,079.84 and 13,264.52

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Solution

The fourth proportional to 28,044.98, 42,079.84 and 13,264.52 is: 19,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.98 : 42,079.84 = 13,264.52 : x
  2. Step 2: Convert to fraction form
    28,044.98/42,079.84 = 13,264.52/x
  3. Step 3: Cross multiply
    28,044.98x = 42,079.84 × 13,264.52
  4. Step 4: Simplify right side
    28,044.98x = 558,168,879.28
  5. Step 5: Solve for x
    x = 558,168,879.28/28,044.98
  6. Step 6: Final answer
    x = 19,902.63

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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.