Home / 27,763.12-38,313.06-15,187.87

Finding the Fourth Proportional to 27,763.12, 38,313.06 and 15,187.87

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Solution

The fourth proportional to 27,763.12, 38,313.06 and 15,187.87 is: 20,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.12 : 38,313.06 = 15,187.87 : x
  2. Step 2: Convert to fraction form
    27,763.12/38,313.06 = 15,187.87/x
  3. Step 3: Cross multiply
    27,763.12x = 38,313.06 × 15,187.87
  4. Step 4: Simplify right side
    27,763.12x = 581,893,774.58
  5. Step 5: Solve for x
    x = 581,893,774.58/27,763.12
  6. Step 6: Final answer
    x = 20,959.24

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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.