Home / 28,864.09-39,859.92-27,291.58

Finding the Fourth Proportional to 28,864.09, 39,859.92 and 27,291.58

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Solution

The fourth proportional to 28,864.09, 39,859.92 and 27,291.58 is: 37,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.09 : 39,859.92 = 27,291.58 : x
  2. Step 2: Convert to fraction form
    28,864.09/39,859.92 = 27,291.58/x
  3. Step 3: Cross multiply
    28,864.09x = 39,859.92 × 27,291.58
  4. Step 4: Simplify right side
    28,864.09x = 1,087,840,095.82
  5. Step 5: Solve for x
    x = 1,087,840,095.82/28,864.09
  6. Step 6: Final answer
    x = 37,688.36

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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.