Home / 28,538.29-39,293.40-25,913.89

Finding the Fourth Proportional to 28,538.29, 39,293.40 and 25,913.89

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Solution

The fourth proportional to 28,538.29, 39,293.40 and 25,913.89 is: 35,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.29 : 39,293.40 = 25,913.89 : x
  2. Step 2: Convert to fraction form
    28,538.29/39,293.40 = 25,913.89/x
  3. Step 3: Cross multiply
    28,538.29x = 39,293.40 × 25,913.89
  4. Step 4: Simplify right side
    28,538.29x = 1,018,244,845.33
  5. Step 5: Solve for x
    x = 1,018,244,845.33/28,538.29
  6. Step 6: Final answer
    x = 35,679.95

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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.