Home / 17,587.28-26,378.48-4,438.87

Finding the Fourth Proportional to 17,587.28, 26,378.48 and 4,438.87

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Solution

The fourth proportional to 17,587.28, 26,378.48 and 4,438.87 is: 6,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.28 : 26,378.48 = 4,438.87 : x
  2. Step 2: Convert to fraction form
    17,587.28/26,378.48 = 4,438.87/x
  3. Step 3: Cross multiply
    17,587.28x = 26,378.48 × 4,438.87
  4. Step 4: Simplify right side
    17,587.28x = 117,090,588.67
  5. Step 5: Solve for x
    x = 117,090,588.67/17,587.28
  6. Step 6: Final answer
    x = 6,657.69

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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.