Home / 25,839.23-35,667.14-15,228.19

Finding the Fourth Proportional to 25,839.23, 35,667.14 and 15,228.19

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Solution

The fourth proportional to 25,839.23, 35,667.14 and 15,228.19 is: 21,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839.23 : 35,667.14 = 15,228.19 : x
  2. Step 2: Convert to fraction form
    25,839.23/35,667.14 = 15,228.19/x
  3. Step 3: Cross multiply
    25,839.23x = 35,667.14 × 15,228.19
  4. Step 4: Simplify right side
    25,839.23x = 543,145,984.68
  5. Step 5: Solve for x
    x = 543,145,984.68/25,839.23
  6. Step 6: Final answer
    x = 21,020.21

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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.