Home / 25,750.83-38,643.56-9,110.80

Finding the Fourth Proportional to 25,750.83, 38,643.56 and 9,110.80

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Solution

The fourth proportional to 25,750.83, 38,643.56 and 9,110.80 is: 13,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.83 : 38,643.56 = 9,110.80 : x
  2. Step 2: Convert to fraction form
    25,750.83/38,643.56 = 9,110.80/x
  3. Step 3: Cross multiply
    25,750.83x = 38,643.56 × 9,110.80
  4. Step 4: Simplify right side
    25,750.83x = 352,073,746.45
  5. Step 5: Solve for x
    x = 352,073,746.45/25,750.83
  6. Step 6: Final answer
    x = 13,672.33

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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.