Home / 25,881-35,701.20-16,926.45

Finding the Fourth Proportional to 25,881, 35,701.20 and 16,926.45

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Solution

The fourth proportional to 25,881, 35,701.20 and 16,926.45 is: 23,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881 : 35,701.20 = 16,926.45 : x
  2. Step 2: Convert to fraction form
    25,881/35,701.20 = 16,926.45/x
  3. Step 3: Cross multiply
    25,881x = 35,701.20 × 16,926.45
  4. Step 4: Simplify right side
    25,881x = 604,294,576.74
  5. Step 5: Solve for x
    x = 604,294,576.74/25,881
  6. Step 6: Final answer
    x = 23,348.97

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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.