Home / 25,449.56-35,120.48-14,119.28

Finding the Fourth Proportional to 25,449.56, 35,120.48 and 14,119.28

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Solution

The fourth proportional to 25,449.56, 35,120.48 and 14,119.28 is: 19,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.56 : 35,120.48 = 14,119.28 : x
  2. Step 2: Convert to fraction form
    25,449.56/35,120.48 = 14,119.28/x
  3. Step 3: Cross multiply
    25,449.56x = 35,120.48 × 14,119.28
  4. Step 4: Simplify right side
    25,449.56x = 495,875,644.66
  5. Step 5: Solve for x
    x = 495,875,644.66/25,449.56
  6. Step 6: Final answer
    x = 19,484.65

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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.