Home / 26,821.77-37,005.48-15,489.77

Finding the Fourth Proportional to 26,821.77, 37,005.48 and 15,489.77

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Solution

The fourth proportional to 26,821.77, 37,005.48 and 15,489.77 is: 21,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.77 : 37,005.48 = 15,489.77 : x
  2. Step 2: Convert to fraction form
    26,821.77/37,005.48 = 15,489.77/x
  3. Step 3: Cross multiply
    26,821.77x = 37,005.48 × 15,489.77
  4. Step 4: Simplify right side
    26,821.77x = 573,206,111.46
  5. Step 5: Solve for x
    x = 573,206,111.46/26,821.77
  6. Step 6: Final answer
    x = 21,370.93

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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.