Home / 28,127.44-38,823.56-17,510.84

Finding the Fourth Proportional to 28,127.44, 38,823.56 and 17,510.84

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Solution

The fourth proportional to 28,127.44, 38,823.56 and 17,510.84 is: 24,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127.44 : 38,823.56 = 17,510.84 : x
  2. Step 2: Convert to fraction form
    28,127.44/38,823.56 = 17,510.84/x
  3. Step 3: Cross multiply
    28,127.44x = 38,823.56 × 17,510.84
  4. Step 4: Simplify right side
    28,127.44x = 679,833,147.39
  5. Step 5: Solve for x
    x = 679,833,147.39/28,127.44
  6. Step 6: Final answer
    x = 24,169.75

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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.