Home / 27,886.67-38,483.75-15,950.51

Finding the Fourth Proportional to 27,886.67, 38,483.75 and 15,950.51

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Solution

The fourth proportional to 27,886.67, 38,483.75 and 15,950.51 is: 22,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.67 : 38,483.75 = 15,950.51 : x
  2. Step 2: Convert to fraction form
    27,886.67/38,483.75 = 15,950.51/x
  3. Step 3: Cross multiply
    27,886.67x = 38,483.75 × 15,950.51
  4. Step 4: Simplify right side
    27,886.67x = 613,835,359.46
  5. Step 5: Solve for x
    x = 613,835,359.46/27,886.67
  6. Step 6: Final answer
    x = 22,011.78

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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.