Home / 17,639.25-26,458.88-5,327.25

Finding the Fourth Proportional to 17,639.25, 26,458.88 and 5,327.25

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Solution

The fourth proportional to 17,639.25, 26,458.88 and 5,327.25 is: 7,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.25 : 26,458.88 = 5,327.25 : x
  2. Step 2: Convert to fraction form
    17,639.25/26,458.88 = 5,327.25/x
  3. Step 3: Cross multiply
    17,639.25x = 26,458.88 × 5,327.25
  4. Step 4: Simplify right side
    17,639.25x = 140,953,041.84
  5. Step 5: Solve for x
    x = 140,953,041.84/17,639.25
  6. Step 6: Final answer
    x = 7,990.88

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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.