Home / 28,079.84-38,750.08-15,504.52

Finding the Fourth Proportional to 28,079.84, 38,750.08 and 15,504.52

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Solution

The fourth proportional to 28,079.84, 38,750.08 and 15,504.52 is: 21,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.84 : 38,750.08 = 15,504.52 : x
  2. Step 2: Convert to fraction form
    28,079.84/38,750.08 = 15,504.52/x
  3. Step 3: Cross multiply
    28,079.84x = 38,750.08 × 15,504.52
  4. Step 4: Simplify right side
    28,079.84x = 600,801,390.36
  5. Step 5: Solve for x
    x = 600,801,390.36/28,079.84
  6. Step 6: Final answer
    x = 21,396.18

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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.