Home / 25,409.28-35,059.80-15,972.36

Finding the Fourth Proportional to 25,409.28, 35,059.80 and 15,972.36

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Solution

The fourth proportional to 25,409.28, 35,059.80 and 15,972.36 is: 22,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.28 : 35,059.80 = 15,972.36 : x
  2. Step 2: Convert to fraction form
    25,409.28/35,059.80 = 15,972.36/x
  3. Step 3: Cross multiply
    25,409.28x = 35,059.80 × 15,972.36
  4. Step 4: Simplify right side
    25,409.28x = 559,987,747.13
  5. Step 5: Solve for x
    x = 559,987,747.13/25,409.28
  6. Step 6: Final answer
    x = 22,038.71

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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.