Home / 27,822.41-38,397.67-15,887.54

Finding the Fourth Proportional to 27,822.41, 38,397.67 and 15,887.54

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Solution

The fourth proportional to 27,822.41, 38,397.67 and 15,887.54 is: 21,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.41 : 38,397.67 = 15,887.54 : x
  2. Step 2: Convert to fraction form
    27,822.41/38,397.67 = 15,887.54/x
  3. Step 3: Cross multiply
    27,822.41x = 38,397.67 × 15,887.54
  4. Step 4: Simplify right side
    27,822.41x = 610,044,430.32
  5. Step 5: Solve for x
    x = 610,044,430.32/27,822.41
  6. Step 6: Final answer
    x = 21,926.37

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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.