Home / 25,805.85-35,612.46-14,477.85

Finding the Fourth Proportional to 25,805.85, 35,612.46 and 14,477.85

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Solution

The fourth proportional to 25,805.85, 35,612.46 and 14,477.85 is: 19,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.85 : 35,612.46 = 14,477.85 : x
  2. Step 2: Convert to fraction form
    25,805.85/35,612.46 = 14,477.85/x
  3. Step 3: Cross multiply
    25,805.85x = 35,612.46 × 14,477.85
  4. Step 4: Simplify right side
    25,805.85x = 515,591,854.01
  5. Step 5: Solve for x
    x = 515,591,854.01/25,805.85
  6. Step 6: Final answer
    x = 19,979.65

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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.