Home / 27,733.40-38,271.86-15,158.12

Finding the Fourth Proportional to 27,733.40, 38,271.86 and 15,158.12

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Solution

The fourth proportional to 27,733.40, 38,271.86 and 15,158.12 is: 20,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.40 : 38,271.86 = 15,158.12 : x
  2. Step 2: Convert to fraction form
    27,733.40/38,271.86 = 15,158.12/x
  3. Step 3: Cross multiply
    27,733.40x = 38,271.86 × 15,158.12
  4. Step 4: Simplify right side
    27,733.40x = 580,129,446.50
  5. Step 5: Solve for x
    x = 580,129,446.50/27,733.40
  6. Step 6: Final answer
    x = 20,918.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.