Home / 28,194.18-42,301.38-13,214.82

Finding the Fourth Proportional to 28,194.18, 42,301.38 and 13,214.82

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Solution

The fourth proportional to 28,194.18, 42,301.38 and 13,214.82 is: 19,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.18 : 42,301.38 = 13,214.82 : x
  2. Step 2: Convert to fraction form
    28,194.18/42,301.38 = 13,214.82/x
  3. Step 3: Cross multiply
    28,194.18x = 42,301.38 × 13,214.82
  4. Step 4: Simplify right side
    28,194.18x = 559,005,122.45
  5. Step 5: Solve for x
    x = 559,005,122.45/28,194.18
  6. Step 6: Final answer
    x = 19,826.97

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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.