Home / 28,901.24-43,338.90-10,177.40

Finding the Fourth Proportional to 28,901.24, 43,338.90 and 10,177.40

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Solution

The fourth proportional to 28,901.24, 43,338.90 and 10,177.40 is: 15,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.24 : 43,338.90 = 10,177.40 : x
  2. Step 2: Convert to fraction form
    28,901.24/43,338.90 = 10,177.40/x
  3. Step 3: Cross multiply
    28,901.24x = 43,338.90 × 10,177.40
  4. Step 4: Simplify right side
    28,901.24x = 441,077,320.86
  5. Step 5: Solve for x
    x = 441,077,320.86/28,901.24
  6. Step 6: Final answer
    x = 15,261.54

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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.