Home / 28,394.16-39,147.55-23,270.82

Finding the Fourth Proportional to 28,394.16, 39,147.55 and 23,270.82

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Solution

The fourth proportional to 28,394.16, 39,147.55 and 23,270.82 is: 32,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.16 : 39,147.55 = 23,270.82 : x
  2. Step 2: Convert to fraction form
    28,394.16/39,147.55 = 23,270.82/x
  3. Step 3: Cross multiply
    28,394.16x = 39,147.55 × 23,270.82
  4. Step 4: Simplify right side
    28,394.16x = 910,995,384.51
  5. Step 5: Solve for x
    x = 910,995,384.51/28,394.16
  6. Step 6: Final answer
    x = 32,083.90

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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.