Home / 19,324.80-28,987.24-10,554.96

Finding the Fourth Proportional to 19,324.80, 28,987.24 and 10,554.96

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Solution

The fourth proportional to 19,324.80, 28,987.24 and 10,554.96 is: 15,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.80 : 28,987.24 = 10,554.96 : x
  2. Step 2: Convert to fraction form
    19,324.80/28,987.24 = 10,554.96/x
  3. Step 3: Cross multiply
    19,324.80x = 28,987.24 × 10,554.96
  4. Step 4: Simplify right side
    19,324.80x = 305,959,158.71
  5. Step 5: Solve for x
    x = 305,959,158.71/19,324.80
  6. Step 6: Final answer
    x = 15,832.46

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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.