Home / 25,519.72-35,216.04-14,189.92

Finding the Fourth Proportional to 25,519.72, 35,216.04 and 14,189.92

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Solution

The fourth proportional to 25,519.72, 35,216.04 and 14,189.92 is: 19,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.72 : 35,216.04 = 14,189.92 : x
  2. Step 2: Convert to fraction form
    25,519.72/35,216.04 = 14,189.92/x
  3. Step 3: Cross multiply
    25,519.72x = 35,216.04 × 14,189.92
  4. Step 4: Simplify right side
    25,519.72x = 499,712,790.32
  5. Step 5: Solve for x
    x = 499,712,790.32/25,519.72
  6. Step 6: Final answer
    x = 19,581.44

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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.