Home / 25,931.60-38,933.40-16,629.20

Finding the Fourth Proportional to 25,931.60, 38,933.40 and 16,629.20

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Solution

The fourth proportional to 25,931.60, 38,933.40 and 16,629.20 is: 24,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.60 : 38,933.40 = 16,629.20 : x
  2. Step 2: Convert to fraction form
    25,931.60/38,933.40 = 16,629.20/x
  3. Step 3: Cross multiply
    25,931.60x = 38,933.40 × 16,629.20
  4. Step 4: Simplify right side
    25,931.60x = 647,431,295.28
  5. Step 5: Solve for x
    x = 647,431,295.28/25,931.60
  6. Step 6: Final answer
    x = 24,966.89

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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.