Home / 28,434.85-42,652.27-15,269.11

Finding the Fourth Proportional to 28,434.85, 42,652.27 and 15,269.11

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Solution

The fourth proportional to 28,434.85, 42,652.27 and 15,269.11 is: 22,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.85 : 42,652.27 = 15,269.11 : x
  2. Step 2: Convert to fraction form
    28,434.85/42,652.27 = 15,269.11/x
  3. Step 3: Cross multiply
    28,434.85x = 42,652.27 × 15,269.11
  4. Step 4: Simplify right side
    28,434.85x = 651,262,114.84
  5. Step 5: Solve for x
    x = 651,262,114.84/28,434.85
  6. Step 6: Final answer
    x = 22,903.66

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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.