Home / 25,701.44-35,484.32-19,721.76

Finding the Fourth Proportional to 25,701.44, 35,484.32 and 19,721.76

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Solution

The fourth proportional to 25,701.44, 35,484.32 and 19,721.76 is: 27,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.44 : 35,484.32 = 19,721.76 : x
  2. Step 2: Convert to fraction form
    25,701.44/35,484.32 = 19,721.76/x
  3. Step 3: Cross multiply
    25,701.44x = 35,484.32 × 19,721.76
  4. Step 4: Simplify right side
    25,701.44x = 699,813,242.80
  5. Step 5: Solve for x
    x = 699,813,242.80/25,701.44
  6. Step 6: Final answer
    x = 27,228.56

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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.