Home / 28,563.46-39,412.86-17,945.53

Finding the Fourth Proportional to 28,563.46, 39,412.86 and 17,945.53

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Solution

The fourth proportional to 28,563.46, 39,412.86 and 17,945.53 is: 24,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.46 : 39,412.86 = 17,945.53 : x
  2. Step 2: Convert to fraction form
    28,563.46/39,412.86 = 17,945.53/x
  3. Step 3: Cross multiply
    28,563.46x = 39,412.86 × 17,945.53
  4. Step 4: Simplify right side
    28,563.46x = 707,284,661.52
  5. Step 5: Solve for x
    x = 707,284,661.52/28,563.46
  6. Step 6: Final answer
    x = 24,761.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.