Home / 25,470.74-35,147.85-14,139.34

Finding the Fourth Proportional to 25,470.74, 35,147.85 and 14,139.34

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Solution

The fourth proportional to 25,470.74, 35,147.85 and 14,139.34 is: 19,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.74 : 35,147.85 = 14,139.34 : x
  2. Step 2: Convert to fraction form
    25,470.74/35,147.85 = 14,139.34/x
  3. Step 3: Cross multiply
    25,470.74x = 35,147.85 × 14,139.34
  4. Step 4: Simplify right side
    25,470.74x = 496,967,225.68
  5. Step 5: Solve for x
    x = 496,967,225.68/25,470.74
  6. Step 6: Final answer
    x = 19,511.30

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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.