Home / 28,211.81-42,347.48-27,576.36

Finding the Fourth Proportional to 28,211.81, 42,347.48 and 27,576.36

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Solution

The fourth proportional to 28,211.81, 42,347.48 and 27,576.36 is: 41,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.81 : 42,347.48 = 27,576.36 : x
  2. Step 2: Convert to fraction form
    28,211.81/42,347.48 = 27,576.36/x
  3. Step 3: Cross multiply
    28,211.81x = 42,347.48 × 27,576.36
  4. Step 4: Simplify right side
    28,211.81x = 1,167,789,215.69
  5. Step 5: Solve for x
    x = 1,167,789,215.69/28,211.81
  6. Step 6: Final answer
    x = 41,393.64

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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.