Home / 28,248.93-38,986.62-16,316.01

Finding the Fourth Proportional to 28,248.93, 38,986.62 and 16,316.01

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Solution

The fourth proportional to 28,248.93, 38,986.62 and 16,316.01 is: 22,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.93 : 38,986.62 = 16,316.01 : x
  2. Step 2: Convert to fraction form
    28,248.93/38,986.62 = 16,316.01/x
  3. Step 3: Cross multiply
    28,248.93x = 38,986.62 × 16,316.01
  4. Step 4: Simplify right side
    28,248.93x = 636,106,081.79
  5. Step 5: Solve for x
    x = 636,106,081.79/28,248.93
  6. Step 6: Final answer
    x = 22,517.88

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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.