Home / 28,335.60-42,503.40-13,541.04

Finding the Fourth Proportional to 28,335.60, 42,503.40 and 13,541.04

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Solution

The fourth proportional to 28,335.60, 42,503.40 and 13,541.04 is: 20,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.60 : 42,503.40 = 13,541.04 : x
  2. Step 2: Convert to fraction form
    28,335.60/42,503.40 = 13,541.04/x
  3. Step 3: Cross multiply
    28,335.60x = 42,503.40 × 13,541.04
  4. Step 4: Simplify right side
    28,335.60x = 575,540,239.54
  5. Step 5: Solve for x
    x = 575,540,239.54/28,335.60
  6. Step 6: Final answer
    x = 20,311.56

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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.