Home / 27,288.17-37,657.61-15,351.51

Finding the Fourth Proportional to 27,288.17, 37,657.61 and 15,351.51

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Solution

The fourth proportional to 27,288.17, 37,657.61 and 15,351.51 is: 21,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.17 : 37,657.61 = 15,351.51 : x
  2. Step 2: Convert to fraction form
    27,288.17/37,657.61 = 15,351.51/x
  3. Step 3: Cross multiply
    27,288.17x = 37,657.61 × 15,351.51
  4. Step 4: Simplify right side
    27,288.17x = 578,101,384.87
  5. Step 5: Solve for x
    x = 578,101,384.87/27,288.17
  6. Step 6: Final answer
    x = 21,185.06

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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.