Home / 28,693.60-39,590.68-17,362.81

Finding the Fourth Proportional to 28,693.60, 39,590.68 and 17,362.81

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Solution

The fourth proportional to 28,693.60, 39,590.68 and 17,362.81 is: 23,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.60 : 39,590.68 = 17,362.81 : x
  2. Step 2: Convert to fraction form
    28,693.60/39,590.68 = 17,362.81/x
  3. Step 3: Cross multiply
    28,693.60x = 39,590.68 × 17,362.81
  4. Step 4: Simplify right side
    28,693.60x = 687,405,454.61
  5. Step 5: Solve for x
    x = 687,405,454.61/28,693.60
  6. Step 6: Final answer
    x = 23,956.75

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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.