Home / 28,101.78-38,763.09-23,552.82

Finding the Fourth Proportional to 28,101.78, 38,763.09 and 23,552.82

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Solution

The fourth proportional to 28,101.78, 38,763.09 and 23,552.82 is: 32,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.78 : 38,763.09 = 23,552.82 : x
  2. Step 2: Convert to fraction form
    28,101.78/38,763.09 = 23,552.82/x
  3. Step 3: Cross multiply
    28,101.78x = 38,763.09 × 23,552.82
  4. Step 4: Simplify right side
    28,101.78x = 912,980,081.41
  5. Step 5: Solve for x
    x = 912,980,081.41/28,101.78
  6. Step 6: Final answer
    x = 32,488.34

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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.