Home / 25,387.67-35,009.07-21,073.82

Finding the Fourth Proportional to 25,387.67, 35,009.07 and 21,073.82

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Solution

The fourth proportional to 25,387.67, 35,009.07 and 21,073.82 is: 29,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.67 : 35,009.07 = 21,073.82 : x
  2. Step 2: Convert to fraction form
    25,387.67/35,009.07 = 21,073.82/x
  3. Step 3: Cross multiply
    25,387.67x = 35,009.07 × 21,073.82
  4. Step 4: Simplify right side
    25,387.67x = 737,774,664.50
  5. Step 5: Solve for x
    x = 737,774,664.50/25,387.67
  6. Step 6: Final answer
    x = 29,060.36

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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.