Home / 28,610.24-42,927.60-11,974.16

Finding the Fourth Proportional to 28,610.24, 42,927.60 and 11,974.16

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Solution

The fourth proportional to 28,610.24, 42,927.60 and 11,974.16 is: 17,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.24 : 42,927.60 = 11,974.16 : x
  2. Step 2: Convert to fraction form
    28,610.24/42,927.60 = 11,974.16/x
  3. Step 3: Cross multiply
    28,610.24x = 42,927.60 × 11,974.16
  4. Step 4: Simplify right side
    28,610.24x = 514,021,950.82
  5. Step 5: Solve for x
    x = 514,021,950.82/28,610.24
  6. Step 6: Final answer
    x = 17,966.36

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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.