Home / 25,790.28-35,599.14-15,725.22

Finding the Fourth Proportional to 25,790.28, 35,599.14 and 15,725.22

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Solution

The fourth proportional to 25,790.28, 35,599.14 and 15,725.22 is: 21,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.28 : 35,599.14 = 15,725.22 : x
  2. Step 2: Convert to fraction form
    25,790.28/35,599.14 = 15,725.22/x
  3. Step 3: Cross multiply
    25,790.28x = 35,599.14 × 15,725.22
  4. Step 4: Simplify right side
    25,790.28x = 559,804,308.31
  5. Step 5: Solve for x
    x = 559,804,308.31/25,790.28
  6. Step 6: Final answer
    x = 21,706.02

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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.