Home / 27,089.43-37,305.90-25,401.78

Finding the Fourth Proportional to 27,089.43, 37,305.90 and 25,401.78

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Solution

The fourth proportional to 27,089.43, 37,305.90 and 25,401.78 is: 34,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.43 : 37,305.90 = 25,401.78 : x
  2. Step 2: Convert to fraction form
    27,089.43/37,305.90 = 25,401.78/x
  3. Step 3: Cross multiply
    27,089.43x = 37,305.90 × 25,401.78
  4. Step 4: Simplify right side
    27,089.43x = 947,636,264.50
  5. Step 5: Solve for x
    x = 947,636,264.50/27,089.43
  6. Step 6: Final answer
    x = 34,981.77

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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.