Home / 27,437.51-41,113.02-21,212.75

Finding the Fourth Proportional to 27,437.51, 41,113.02 and 21,212.75

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Solution

The fourth proportional to 27,437.51, 41,113.02 and 21,212.75 is: 31,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.51 : 41,113.02 = 21,212.75 : x
  2. Step 2: Convert to fraction form
    27,437.51/41,113.02 = 21,212.75/x
  3. Step 3: Cross multiply
    27,437.51x = 41,113.02 × 21,212.75
  4. Step 4: Simplify right side
    27,437.51x = 872,120,215.01
  5. Step 5: Solve for x
    x = 872,120,215.01/27,437.51
  6. Step 6: Final answer
    x = 31,785.69

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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.