Home / 25,458.76-35,133.31-14,129.02

Finding the Fourth Proportional to 25,458.76, 35,133.31 and 14,129.02

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Solution

The fourth proportional to 25,458.76, 35,133.31 and 14,129.02 is: 19,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.76 : 35,133.31 = 14,129.02 : x
  2. Step 2: Convert to fraction form
    25,458.76/35,133.31 = 14,129.02/x
  3. Step 3: Cross multiply
    25,458.76x = 35,133.31 × 14,129.02
  4. Step 4: Simplify right side
    25,458.76x = 496,399,239.66
  5. Step 5: Solve for x
    x = 496,399,239.66/25,458.76
  6. Step 6: Final answer
    x = 19,498.17

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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.