Home / 25,866.09-35,694.18-15,811.34

Finding the Fourth Proportional to 25,866.09, 35,694.18 and 15,811.34

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Solution

The fourth proportional to 25,866.09, 35,694.18 and 15,811.34 is: 21,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,866.09 : 35,694.18 = 15,811.34 : x
  2. Step 2: Convert to fraction form
    25,866.09/35,694.18 = 15,811.34/x
  3. Step 3: Cross multiply
    25,866.09x = 35,694.18 × 15,811.34
  4. Step 4: Simplify right side
    25,866.09x = 564,372,637.53
  5. Step 5: Solve for x
    x = 564,372,637.53/25,866.09
  6. Step 6: Final answer
    x = 21,819.02

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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.