Home / 28,470.90-39,273.66-17,842.08

Finding the Fourth Proportional to 28,470.90, 39,273.66 and 17,842.08

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Solution

The fourth proportional to 28,470.90, 39,273.66 and 17,842.08 is: 24,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470.90 : 39,273.66 = 17,842.08 : x
  2. Step 2: Convert to fraction form
    28,470.90/39,273.66 = 17,842.08/x
  3. Step 3: Cross multiply
    28,470.90x = 39,273.66 × 17,842.08
  4. Step 4: Simplify right side
    28,470.90x = 700,723,783.61
  5. Step 5: Solve for x
    x = 700,723,783.61/28,470.90
  6. Step 6: Final answer
    x = 24,611.93

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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.