Home / 25,280.79-34,866.50-18,982.23

Finding the Fourth Proportional to 25,280.79, 34,866.50 and 18,982.23

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Solution

The fourth proportional to 25,280.79, 34,866.50 and 18,982.23 is: 26,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.79 : 34,866.50 = 18,982.23 : x
  2. Step 2: Convert to fraction form
    25,280.79/34,866.50 = 18,982.23/x
  3. Step 3: Cross multiply
    25,280.79x = 34,866.50 × 18,982.23
  4. Step 4: Simplify right side
    25,280.79x = 661,843,827.38
  5. Step 5: Solve for x
    x = 661,843,827.38/25,280.79
  6. Step 6: Final answer
    x = 26,179.71

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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.