Home / 25,006.20-37,509.30-18,007.80

Finding the Fourth Proportional to 25,006.20, 37,509.30 and 18,007.80

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Solution

The fourth proportional to 25,006.20, 37,509.30 and 18,007.80 is: 27,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,006.20 : 37,509.30 = 18,007.80 : x
  2. Step 2: Convert to fraction form
    25,006.20/37,509.30 = 18,007.80/x
  3. Step 3: Cross multiply
    25,006.20x = 37,509.30 × 18,007.80
  4. Step 4: Simplify right side
    25,006.20x = 675,459,972.54
  5. Step 5: Solve for x
    x = 675,459,972.54/25,006.20
  6. Step 6: Final answer
    x = 27,011.70

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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.