Home / 27,887.61-38,484.80-15,950.93

Finding the Fourth Proportional to 27,887.61, 38,484.80 and 15,950.93

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Solution

The fourth proportional to 27,887.61, 38,484.80 and 15,950.93 is: 22,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.61 : 38,484.80 = 15,950.93 : x
  2. Step 2: Convert to fraction form
    27,887.61/38,484.80 = 15,950.93/x
  3. Step 3: Cross multiply
    27,887.61x = 38,484.80 × 15,950.93
  4. Step 4: Simplify right side
    27,887.61x = 613,868,078.69
  5. Step 5: Solve for x
    x = 613,868,078.69/27,887.61
  6. Step 6: Final answer
    x = 22,012.22

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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.