Home / 25,320.10-38,003.98-12,849.07

Finding the Fourth Proportional to 25,320.10, 38,003.98 and 12,849.07

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Solution

The fourth proportional to 25,320.10, 38,003.98 and 12,849.07 is: 19,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.10 : 38,003.98 = 12,849.07 : x
  2. Step 2: Convert to fraction form
    25,320.10/38,003.98 = 12,849.07/x
  3. Step 3: Cross multiply
    25,320.10x = 38,003.98 × 12,849.07
  4. Step 4: Simplify right side
    25,320.10x = 488,315,799.30
  5. Step 5: Solve for x
    x = 488,315,799.30/25,320.10
  6. Step 6: Final answer
    x = 19,285.70

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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.