Home / 28,062.96-42,102.36-11,434.95

Finding the Fourth Proportional to 28,062.96, 42,102.36 and 11,434.95

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Solution

The fourth proportional to 28,062.96, 42,102.36 and 11,434.95 is: 17,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.96 : 42,102.36 = 11,434.95 : x
  2. Step 2: Convert to fraction form
    28,062.96/42,102.36 = 11,434.95/x
  3. Step 3: Cross multiply
    28,062.96x = 42,102.36 × 11,434.95
  4. Step 4: Simplify right side
    28,062.96x = 481,438,381.48
  5. Step 5: Solve for x
    x = 481,438,381.48/28,062.96
  6. Step 6: Final answer
    x = 17,155.65

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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.