Home / 26,487.84-36,537.00-15,725.40

Finding the Fourth Proportional to 26,487.84, 36,537.00 and 15,725.40

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Solution

The fourth proportional to 26,487.84, 36,537.00 and 15,725.40 is: 21,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.84 : 36,537.00 = 15,725.40 : x
  2. Step 2: Convert to fraction form
    26,487.84/36,537.00 = 15,725.40/x
  3. Step 3: Cross multiply
    26,487.84x = 36,537.00 × 15,725.40
  4. Step 4: Simplify right side
    26,487.84x = 574,559,044.94
  5. Step 5: Solve for x
    x = 574,559,044.94/26,487.84
  6. Step 6: Final answer
    x = 21,691.43

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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.