Home / 28,319.17-39,079.59-16,219.24

Finding the Fourth Proportional to 28,319.17, 39,079.59 and 16,219.24

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Solution

The fourth proportional to 28,319.17, 39,079.59 and 16,219.24 is: 22,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.17 : 39,079.59 = 16,219.24 : x
  2. Step 2: Convert to fraction form
    28,319.17/39,079.59 = 16,219.24/x
  3. Step 3: Cross multiply
    28,319.17x = 39,079.59 × 16,219.24
  4. Step 4: Simplify right side
    28,319.17x = 633,841,249.31
  5. Step 5: Solve for x
    x = 633,841,249.31/28,319.17
  6. Step 6: Final answer
    x = 22,382.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.