Home / 28,042.36-42,062.38-11,401.76

Finding the Fourth Proportional to 28,042.36, 42,062.38 and 11,401.76

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Solution

The fourth proportional to 28,042.36, 42,062.38 and 11,401.76 is: 17,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.36 : 42,062.38 = 11,401.76 : x
  2. Step 2: Convert to fraction form
    28,042.36/42,062.38 = 11,401.76/x
  3. Step 3: Cross multiply
    28,042.36x = 42,062.38 × 11,401.76
  4. Step 4: Simplify right side
    28,042.36x = 479,585,161.79
  5. Step 5: Solve for x
    x = 479,585,161.79/28,042.36
  6. Step 6: Final answer
    x = 17,102.17

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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.