Home / 28,248.04-38,977.86-16,309.12

Finding the Fourth Proportional to 28,248.04, 38,977.86 and 16,309.12

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Solution

The fourth proportional to 28,248.04, 38,977.86 and 16,309.12 is: 22,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.04 : 38,977.86 = 16,309.12 : x
  2. Step 2: Convert to fraction form
    28,248.04/38,977.86 = 16,309.12/x
  3. Step 3: Cross multiply
    28,248.04x = 38,977.86 × 16,309.12
  4. Step 4: Simplify right side
    28,248.04x = 635,694,596.08
  5. Step 5: Solve for x
    x = 635,694,596.08/28,248.04
  6. Step 6: Final answer
    x = 22,504.02

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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.