Home / 28,184.94-42,283.35-10,654.38

Finding the Fourth Proportional to 28,184.94, 42,283.35 and 10,654.38

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Solution

The fourth proportional to 28,184.94, 42,283.35 and 10,654.38 is: 15,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.94 : 42,283.35 = 10,654.38 : x
  2. Step 2: Convert to fraction form
    28,184.94/42,283.35 = 10,654.38/x
  3. Step 3: Cross multiply
    28,184.94x = 42,283.35 × 10,654.38
  4. Step 4: Simplify right side
    28,184.94x = 450,502,878.57
  5. Step 5: Solve for x
    x = 450,502,878.57/28,184.94
  6. Step 6: Final answer
    x = 15,983.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.