Home / 24,987.28-34,481.28-13,657.36

Finding the Fourth Proportional to 24,987.28, 34,481.28 and 13,657.36

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Solution

The fourth proportional to 24,987.28, 34,481.28 and 13,657.36 is: 18,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,987.28 : 34,481.28 = 13,657.36 : x
  2. Step 2: Convert to fraction form
    24,987.28/34,481.28 = 13,657.36/x
  3. Step 3: Cross multiply
    24,987.28x = 34,481.28 × 13,657.36
  4. Step 4: Simplify right side
    24,987.28x = 470,923,254.22
  5. Step 5: Solve for x
    x = 470,923,254.22/24,987.28
  6. Step 6: Final answer
    x = 18,846.52

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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.