Home / 25,972.16-35,839.52-15,896.40

Finding the Fourth Proportional to 25,972.16, 35,839.52 and 15,896.40

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Solution

The fourth proportional to 25,972.16, 35,839.52 and 15,896.40 is: 21,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.16 : 35,839.52 = 15,896.40 : x
  2. Step 2: Convert to fraction form
    25,972.16/35,839.52 = 15,896.40/x
  3. Step 3: Cross multiply
    25,972.16x = 35,839.52 × 15,896.40
  4. Step 4: Simplify right side
    25,972.16x = 569,719,345.73
  5. Step 5: Solve for x
    x = 569,719,345.73/25,972.16
  6. Step 6: Final answer
    x = 21,935.77

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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.