Home / 25,393.69-35,060.61-15,837.31

Finding the Fourth Proportional to 25,393.69, 35,060.61 and 15,837.31

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Solution

The fourth proportional to 25,393.69, 35,060.61 and 15,837.31 is: 21,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.69 : 35,060.61 = 15,837.31 : x
  2. Step 2: Convert to fraction form
    25,393.69/35,060.61 = 15,837.31/x
  3. Step 3: Cross multiply
    25,393.69x = 35,060.61 × 15,837.31
  4. Step 4: Simplify right side
    25,393.69x = 555,265,749.36
  5. Step 5: Solve for x
    x = 555,265,749.36/25,393.69
  6. Step 6: Final answer
    x = 21,866.29

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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.