Home / 36,283.76-54,424.16-9,987.78

Finding the Fourth Proportional to 36,283.76, 54,424.16 and 9,987.78

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Solution

The fourth proportional to 36,283.76, 54,424.16 and 9,987.78 is: 14,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,283.76 : 54,424.16 = 9,987.78 : x
  2. Step 2: Convert to fraction form
    36,283.76/54,424.16 = 9,987.78/x
  3. Step 3: Cross multiply
    36,283.76x = 54,424.16 × 9,987.78
  4. Step 4: Simplify right side
    36,283.76x = 543,576,536.76
  5. Step 5: Solve for x
    x = 543,576,536.76/36,283.76
  6. Step 6: Final answer
    x = 14,981.26

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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.