Home / 27,688.98-41,534.06-9,920.80

Finding the Fourth Proportional to 27,688.98, 41,534.06 and 9,920.80

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Solution

The fourth proportional to 27,688.98, 41,534.06 and 9,920.80 is: 14,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.98 : 41,534.06 = 9,920.80 : x
  2. Step 2: Convert to fraction form
    27,688.98/41,534.06 = 9,920.80/x
  3. Step 3: Cross multiply
    27,688.98x = 41,534.06 × 9,920.80
  4. Step 4: Simplify right side
    27,688.98x = 412,051,127.25
  5. Step 5: Solve for x
    x = 412,051,127.25/27,688.98
  6. Step 6: Final answer
    x = 14,881.41

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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.