Home / 27,806.31-38,372.90-15,059.51

Finding the Fourth Proportional to 27,806.31, 38,372.90 and 15,059.51

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Solution

The fourth proportional to 27,806.31, 38,372.90 and 15,059.51 is: 20,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.31 : 38,372.90 = 15,059.51 : x
  2. Step 2: Convert to fraction form
    27,806.31/38,372.90 = 15,059.51/x
  3. Step 3: Cross multiply
    27,806.31x = 38,372.90 × 15,059.51
  4. Step 4: Simplify right side
    27,806.31x = 577,876,804.12
  5. Step 5: Solve for x
    x = 577,876,804.12/27,806.31
  6. Step 6: Final answer
    x = 20,782.22

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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.