Home / 25,665.24-38,497.83-18,689.62

Finding the Fourth Proportional to 25,665.24, 38,497.83 and 18,689.62

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Solution

The fourth proportional to 25,665.24, 38,497.83 and 18,689.62 is: 28,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.24 : 38,497.83 = 18,689.62 : x
  2. Step 2: Convert to fraction form
    25,665.24/38,497.83 = 18,689.62/x
  3. Step 3: Cross multiply
    25,665.24x = 38,497.83 × 18,689.62
  4. Step 4: Simplify right side
    25,665.24x = 719,509,813.52
  5. Step 5: Solve for x
    x = 719,509,813.52/25,665.24
  6. Step 6: Final answer
    x = 28,034.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.