Home / 28,121.36-42,180.98-7,061.54

Finding the Fourth Proportional to 28,121.36, 42,180.98 and 7,061.54

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Solution

The fourth proportional to 28,121.36, 42,180.98 and 7,061.54 is: 10,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,121.36 : 42,180.98 = 7,061.54 : x
  2. Step 2: Convert to fraction form
    28,121.36/42,180.98 = 7,061.54/x
  3. Step 3: Cross multiply
    28,121.36x = 42,180.98 × 7,061.54
  4. Step 4: Simplify right side
    28,121.36x = 297,862,677.51
  5. Step 5: Solve for x
    x = 297,862,677.51/28,121.36
  6. Step 6: Final answer
    x = 10,592.04

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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.