Home / 25,941.36-38,838.60-20,165.52

Finding the Fourth Proportional to 25,941.36, 38,838.60 and 20,165.52

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Solution

The fourth proportional to 25,941.36, 38,838.60 and 20,165.52 is: 30,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941.36 : 38,838.60 = 20,165.52 : x
  2. Step 2: Convert to fraction form
    25,941.36/38,838.60 = 20,165.52/x
  3. Step 3: Cross multiply
    25,941.36x = 38,838.60 × 20,165.52
  4. Step 4: Simplify right side
    25,941.36x = 783,200,565.07
  5. Step 5: Solve for x
    x = 783,200,565.07/25,941.36
  6. Step 6: Final answer
    x = 30,191.19

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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.