Home / 25,271.94-34,864.55-18,545.90

Finding the Fourth Proportional to 25,271.94, 34,864.55 and 18,545.90

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Solution

The fourth proportional to 25,271.94, 34,864.55 and 18,545.90 is: 25,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.94 : 34,864.55 = 18,545.90 : x
  2. Step 2: Convert to fraction form
    25,271.94/34,864.55 = 18,545.90/x
  3. Step 3: Cross multiply
    25,271.94x = 34,864.55 × 18,545.90
  4. Step 4: Simplify right side
    25,271.94x = 646,594,452.28
  5. Step 5: Solve for x
    x = 646,594,452.28/25,271.94
  6. Step 6: Final answer
    x = 25,585.47

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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.