Home / 25,750.80-35,532.11-14,420.78

Finding the Fourth Proportional to 25,750.80, 35,532.11 and 14,420.78

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Solution

The fourth proportional to 25,750.80, 35,532.11 and 14,420.78 is: 19,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.80 : 35,532.11 = 14,420.78 : x
  2. Step 2: Convert to fraction form
    25,750.80/35,532.11 = 14,420.78/x
  3. Step 3: Cross multiply
    25,750.80x = 35,532.11 × 14,420.78
  4. Step 4: Simplify right side
    25,750.80x = 512,400,599.64
  5. Step 5: Solve for x
    x = 512,400,599.64/25,750.80
  6. Step 6: Final answer
    x = 19,898.43

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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.