Home / 25,130.67-37,700.10-8,491.70

Finding the Fourth Proportional to 25,130.67, 37,700.10 and 8,491.70

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Solution

The fourth proportional to 25,130.67, 37,700.10 and 8,491.70 is: 12,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.67 : 37,700.10 = 8,491.70 : x
  2. Step 2: Convert to fraction form
    25,130.67/37,700.10 = 8,491.70/x
  3. Step 3: Cross multiply
    25,130.67x = 37,700.10 × 8,491.70
  4. Step 4: Simplify right side
    25,130.67x = 320,137,750.67
  5. Step 5: Solve for x
    x = 320,137,750.67/25,130.67
  6. Step 6: Final answer
    x = 12,738.93

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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.