Home / 23,925.57-33,017.40-13,315.20

Finding the Fourth Proportional to 23,925.57, 33,017.40 and 13,315.20

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Solution

The fourth proportional to 23,925.57, 33,017.40 and 13,315.20 is: 18,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,925.57 : 33,017.40 = 13,315.20 : x
  2. Step 2: Convert to fraction form
    23,925.57/33,017.40 = 13,315.20/x
  3. Step 3: Cross multiply
    23,925.57x = 33,017.40 × 13,315.20
  4. Step 4: Simplify right side
    23,925.57x = 439,633,284.48
  5. Step 5: Solve for x
    x = 439,633,284.48/23,925.57
  6. Step 6: Final answer
    x = 18,375.04

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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.