Home / 25,485.91-35,169.34-14,156.13

Finding the Fourth Proportional to 25,485.91, 35,169.34 and 14,156.13

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Solution

The fourth proportional to 25,485.91, 35,169.34 and 14,156.13 is: 19,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.91 : 35,169.34 = 14,156.13 : x
  2. Step 2: Convert to fraction form
    25,485.91/35,169.34 = 14,156.13/x
  3. Step 3: Cross multiply
    25,485.91x = 35,169.34 × 14,156.13
  4. Step 4: Simplify right side
    25,485.91x = 497,861,749.05
  5. Step 5: Solve for x
    x = 497,861,749.05/25,485.91
  6. Step 6: Final answer
    x = 19,534.78

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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.