Home / 25,919.40-38,888.45-9,054.90

Finding the Fourth Proportional to 25,919.40, 38,888.45 and 9,054.90

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Solution

The fourth proportional to 25,919.40, 38,888.45 and 9,054.90 is: 13,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.40 : 38,888.45 = 9,054.90 : x
  2. Step 2: Convert to fraction form
    25,919.40/38,888.45 = 9,054.90/x
  3. Step 3: Cross multiply
    25,919.40x = 38,888.45 × 9,054.90
  4. Step 4: Simplify right side
    25,919.40x = 352,130,921.31
  5. Step 5: Solve for x
    x = 352,130,921.31/25,919.40
  6. Step 6: Final answer
    x = 13,585.61

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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.