Home / 28,931.11-43,080.51-27,867.01

Finding the Fourth Proportional to 28,931.11, 43,080.51 and 27,867.01

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Solution

The fourth proportional to 28,931.11, 43,080.51 and 27,867.01 is: 41,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.11 : 43,080.51 = 27,867.01 : x
  2. Step 2: Convert to fraction form
    28,931.11/43,080.51 = 27,867.01/x
  3. Step 3: Cross multiply
    28,931.11x = 43,080.51 × 27,867.01
  4. Step 4: Simplify right side
    28,931.11x = 1,200,524,895.27
  5. Step 5: Solve for x
    x = 1,200,524,895.27/28,931.11
  6. Step 6: Final answer
    x = 41,495.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.