Home / 25,007.81-34,510.29-13,677.27

Finding the Fourth Proportional to 25,007.81, 34,510.29 and 13,677.27

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Solution

The fourth proportional to 25,007.81, 34,510.29 and 13,677.27 is: 18,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.81 : 34,510.29 = 13,677.27 : x
  2. Step 2: Convert to fraction form
    25,007.81/34,510.29 = 13,677.27/x
  3. Step 3: Cross multiply
    25,007.81x = 34,510.29 × 13,677.27
  4. Step 4: Simplify right side
    25,007.81x = 472,006,682.93
  5. Step 5: Solve for x
    x = 472,006,682.93/25,007.81
  6. Step 6: Final answer
    x = 18,874.37

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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.