Home / 28,923.33-43,385.95-9,947.77

Finding the Fourth Proportional to 28,923.33, 43,385.95 and 9,947.77

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Solution

The fourth proportional to 28,923.33, 43,385.95 and 9,947.77 is: 14,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.33 : 43,385.95 = 9,947.77 : x
  2. Step 2: Convert to fraction form
    28,923.33/43,385.95 = 9,947.77/x
  3. Step 3: Cross multiply
    28,923.33x = 43,385.95 × 9,947.77
  4. Step 4: Simplify right side
    28,923.33x = 431,593,621.95
  5. Step 5: Solve for x
    x = 431,593,621.95/28,923.33
  6. Step 6: Final answer
    x = 14,921.99

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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.