Home / 27,382.21-37,786.77-15,444.61

Finding the Fourth Proportional to 27,382.21, 37,786.77 and 15,444.61

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Solution

The fourth proportional to 27,382.21, 37,786.77 and 15,444.61 is: 21,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.21 : 37,786.77 = 15,444.61 : x
  2. Step 2: Convert to fraction form
    27,382.21/37,786.77 = 15,444.61/x
  3. Step 3: Cross multiply
    27,382.21x = 37,786.77 × 15,444.61
  4. Step 4: Simplify right side
    27,382.21x = 583,601,925.81
  5. Step 5: Solve for x
    x = 583,601,925.81/27,382.21
  6. Step 6: Final answer
    x = 21,313.18

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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.