Home / 25,456.96-35,130.50-14,128.18

Finding the Fourth Proportional to 25,456.96, 35,130.50 and 14,128.18

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Solution

The fourth proportional to 25,456.96, 35,130.50 and 14,128.18 is: 19,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.96 : 35,130.50 = 14,128.18 : x
  2. Step 2: Convert to fraction form
    25,456.96/35,130.50 = 14,128.18/x
  3. Step 3: Cross multiply
    25,456.96x = 35,130.50 × 14,128.18
  4. Step 4: Simplify right side
    25,456.96x = 496,330,027.49
  5. Step 5: Solve for x
    x = 496,330,027.49/25,456.96
  6. Step 6: Final answer
    x = 19,496.83

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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.