Home / 25,904.13-35,749.01-15,293.53

Finding the Fourth Proportional to 25,904.13, 35,749.01 and 15,293.53

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Solution

The fourth proportional to 25,904.13, 35,749.01 and 15,293.53 is: 21,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,904.13 : 35,749.01 = 15,293.53 : x
  2. Step 2: Convert to fraction form
    25,904.13/35,749.01 = 15,293.53/x
  3. Step 3: Cross multiply
    25,904.13x = 35,749.01 × 15,293.53
  4. Step 4: Simplify right side
    25,904.13x = 546,728,480.44
  5. Step 5: Solve for x
    x = 546,728,480.44/25,904.13
  6. Step 6: Final answer
    x = 21,105.85

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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.