Home / 28,560.75-42,840.31-11,034.37

Finding the Fourth Proportional to 28,560.75, 42,840.31 and 11,034.37

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Solution

The fourth proportional to 28,560.75, 42,840.31 and 11,034.37 is: 16,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.75 : 42,840.31 = 11,034.37 : x
  2. Step 2: Convert to fraction form
    28,560.75/42,840.31 = 11,034.37/x
  3. Step 3: Cross multiply
    28,560.75x = 42,840.31 × 11,034.37
  4. Step 4: Simplify right side
    28,560.75x = 472,715,831.45
  5. Step 5: Solve for x
    x = 472,715,831.45/28,560.75
  6. Step 6: Final answer
    x = 16,551.24

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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.