Home / 26,319.84-39,479.76-13,158.96

Finding the Fourth Proportional to 26,319.84, 39,479.76 and 13,158.96

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Solution

The fourth proportional to 26,319.84, 39,479.76 and 13,158.96 is: 19,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.84 : 39,479.76 = 13,158.96 : x
  2. Step 2: Convert to fraction form
    26,319.84/39,479.76 = 13,158.96/x
  3. Step 3: Cross multiply
    26,319.84x = 39,479.76 × 13,158.96
  4. Step 4: Simplify right side
    26,319.84x = 519,512,582.65
  5. Step 5: Solve for x
    x = 519,512,582.65/26,319.84
  6. Step 6: Final answer
    x = 19,738.44

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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.