Home / 25,624.85-35,309.81-18,899.83

Finding the Fourth Proportional to 25,624.85, 35,309.81 and 18,899.83

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Solution

The fourth proportional to 25,624.85, 35,309.81 and 18,899.83 is: 26,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,624.85 : 35,309.81 = 18,899.83 : x
  2. Step 2: Convert to fraction form
    25,624.85/35,309.81 = 18,899.83/x
  3. Step 3: Cross multiply
    25,624.85x = 35,309.81 × 18,899.83
  4. Step 4: Simplify right side
    25,624.85x = 667,349,135.28
  5. Step 5: Solve for x
    x = 667,349,135.28/25,624.85
  6. Step 6: Final answer
    x = 26,043.05

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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.