Home / 28,041.06-38,696.16-15,294.34

Finding the Fourth Proportional to 28,041.06, 38,696.16 and 15,294.34

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Solution

The fourth proportional to 28,041.06, 38,696.16 and 15,294.34 is: 21,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.06 : 38,696.16 = 15,294.34 : x
  2. Step 2: Convert to fraction form
    28,041.06/38,696.16 = 15,294.34/x
  3. Step 3: Cross multiply
    28,041.06x = 38,696.16 × 15,294.34
  4. Step 4: Simplify right side
    28,041.06x = 591,832,227.73
  5. Step 5: Solve for x
    x = 591,832,227.73/28,041.06
  6. Step 6: Final answer
    x = 21,105.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.