Home / 28,299.19-39,013.86-22,576.07

Finding the Fourth Proportional to 28,299.19, 39,013.86 and 22,576.07

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Solution

The fourth proportional to 28,299.19, 39,013.86 and 22,576.07 is: 31,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.19 : 39,013.86 = 22,576.07 : x
  2. Step 2: Convert to fraction form
    28,299.19/39,013.86 = 22,576.07/x
  3. Step 3: Cross multiply
    28,299.19x = 39,013.86 × 22,576.07
  4. Step 4: Simplify right side
    28,299.19x = 880,779,634.33
  5. Step 5: Solve for x
    x = 880,779,634.33/28,299.19
  6. Step 6: Final answer
    x = 31,123.85

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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.