Home / 28,227.98-42,326.82-9,501.78

Finding the Fourth Proportional to 28,227.98, 42,326.82 and 9,501.78

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Solution

The fourth proportional to 28,227.98, 42,326.82 and 9,501.78 is: 14,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.98 : 42,326.82 = 9,501.78 : x
  2. Step 2: Convert to fraction form
    28,227.98/42,326.82 = 9,501.78/x
  3. Step 3: Cross multiply
    28,227.98x = 42,326.82 × 9,501.78
  4. Step 4: Simplify right side
    28,227.98x = 402,180,131.74
  5. Step 5: Solve for x
    x = 402,180,131.74/28,227.98
  6. Step 6: Final answer
    x = 14,247.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.