Home / 28,271.04-42,372.54-11,608.53

Finding the Fourth Proportional to 28,271.04, 42,372.54 and 11,608.53

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Solution

The fourth proportional to 28,271.04, 42,372.54 and 11,608.53 is: 17,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.04 : 42,372.54 = 11,608.53 : x
  2. Step 2: Convert to fraction form
    28,271.04/42,372.54 = 11,608.53/x
  3. Step 3: Cross multiply
    28,271.04x = 42,372.54 × 11,608.53
  4. Step 4: Simplify right side
    28,271.04x = 491,882,901.77
  5. Step 5: Solve for x
    x = 491,882,901.77/28,271.04
  6. Step 6: Final answer
    x = 17,398.83

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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.