Home / 27,402.76-37,970.41-26,790.40

Finding the Fourth Proportional to 27,402.76, 37,970.41 and 26,790.40

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Solution

The fourth proportional to 27,402.76, 37,970.41 and 26,790.40 is: 37,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.76 : 37,970.41 = 26,790.40 : x
  2. Step 2: Convert to fraction form
    27,402.76/37,970.41 = 26,790.40/x
  3. Step 3: Cross multiply
    27,402.76x = 37,970.41 × 26,790.40
  4. Step 4: Simplify right side
    27,402.76x = 1,017,242,472.06
  5. Step 5: Solve for x
    x = 1,017,242,472.06/27,402.76
  6. Step 6: Final answer
    x = 37,121.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.