Home / 28,272.04-42,374.04-11,609.53

Finding the Fourth Proportional to 28,272.04, 42,374.04 and 11,609.53

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Solution

The fourth proportional to 28,272.04, 42,374.04 and 11,609.53 is: 17,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.04 : 42,374.04 = 11,609.53 : x
  2. Step 2: Convert to fraction form
    28,272.04/42,374.04 = 11,609.53/x
  3. Step 3: Cross multiply
    28,272.04x = 42,374.04 × 11,609.53
  4. Step 4: Simplify right side
    28,272.04x = 491,942,688.60
  5. Step 5: Solve for x
    x = 491,942,688.60/28,272.04
  6. Step 6: Final answer
    x = 17,400.33

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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.