Home / 28,514.71-42,777.75-8,792.51

Finding the Fourth Proportional to 28,514.71, 42,777.75 and 8,792.51

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Solution

The fourth proportional to 28,514.71, 42,777.75 and 8,792.51 is: 13,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.71 : 42,777.75 = 8,792.51 : x
  2. Step 2: Convert to fraction form
    28,514.71/42,777.75 = 8,792.51/x
  3. Step 3: Cross multiply
    28,514.71x = 42,777.75 × 8,792.51
  4. Step 4: Simplify right side
    28,514.71x = 376,123,794.65
  5. Step 5: Solve for x
    x = 376,123,794.65/28,514.71
  6. Step 6: Final answer
    x = 13,190.52

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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.