Home / 25,395.20-38,041.60-16,128

Finding the Fourth Proportional to 25,395.20, 38,041.60 and 16,128

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Solution

The fourth proportional to 25,395.20, 38,041.60 and 16,128 is: 24,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.20 : 38,041.60 = 16,128 : x
  2. Step 2: Convert to fraction form
    25,395.20/38,041.60 = 16,128/x
  3. Step 3: Cross multiply
    25,395.20x = 38,041.60 × 16,128
  4. Step 4: Simplify right side
    25,395.20x = 613,534,924.80
  5. Step 5: Solve for x
    x = 613,534,924.80/25,395.20
  6. Step 6: Final answer
    x = 24,159.48

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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.