Home / 27,713.81-41,570.37-18,807.09

Finding the Fourth Proportional to 27,713.81, 41,570.37 and 18,807.09

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Solution

The fourth proportional to 27,713.81, 41,570.37 and 18,807.09 is: 28,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.81 : 41,570.37 = 18,807.09 : x
  2. Step 2: Convert to fraction form
    27,713.81/41,570.37 = 18,807.09/x
  3. Step 3: Cross multiply
    27,713.81x = 41,570.37 × 18,807.09
  4. Step 4: Simplify right side
    27,713.81x = 781,817,689.92
  5. Step 5: Solve for x
    x = 781,817,689.92/27,713.81
  6. Step 6: Final answer
    x = 28,210.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.