Home / 28,115.59-38,828.57-24,320.54

Finding the Fourth Proportional to 28,115.59, 38,828.57 and 24,320.54

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Solution

The fourth proportional to 28,115.59, 38,828.57 and 24,320.54 is: 33,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115.59 : 38,828.57 = 24,320.54 : x
  2. Step 2: Convert to fraction form
    28,115.59/38,828.57 = 24,320.54/x
  3. Step 3: Cross multiply
    28,115.59x = 38,828.57 × 24,320.54
  4. Step 4: Simplify right side
    28,115.59x = 944,331,595.68
  5. Step 5: Solve for x
    x = 944,331,595.68/28,115.59
  6. Step 6: Final answer
    x = 33,587.47

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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.