Home / 28,562.60-39,440.58-17,955.65

Finding the Fourth Proportional to 28,562.60, 39,440.58 and 17,955.65

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Solution

The fourth proportional to 28,562.60, 39,440.58 and 17,955.65 is: 24,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.60 : 39,440.58 = 17,955.65 : x
  2. Step 2: Convert to fraction form
    28,562.60/39,440.58 = 17,955.65/x
  3. Step 3: Cross multiply
    28,562.60x = 39,440.58 × 17,955.65
  4. Step 4: Simplify right side
    28,562.60x = 708,181,250.28
  5. Step 5: Solve for x
    x = 708,181,250.28/28,562.60
  6. Step 6: Final answer
    x = 24,794.01

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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.