Home / 28,335.73-42,503.67-13,541.28

Finding the Fourth Proportional to 28,335.73, 42,503.67 and 13,541.28

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Solution

The fourth proportional to 28,335.73, 42,503.67 and 13,541.28 is: 20,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.73 : 42,503.67 = 13,541.28 : x
  2. Step 2: Convert to fraction form
    28,335.73/42,503.67 = 13,541.28/x
  3. Step 3: Cross multiply
    28,335.73x = 42,503.67 × 13,541.28
  4. Step 4: Simplify right side
    28,335.73x = 575,554,096.50
  5. Step 5: Solve for x
    x = 575,554,096.50/28,335.73
  6. Step 6: Final answer
    x = 20,311.96

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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.