Home / 28,580.31-42,785.42-25,576.83

Finding the Fourth Proportional to 28,580.31, 42,785.42 and 25,576.83

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Solution

The fourth proportional to 28,580.31, 42,785.42 and 25,576.83 is: 38,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.31 : 42,785.42 = 25,576.83 : x
  2. Step 2: Convert to fraction form
    28,580.31/42,785.42 = 25,576.83/x
  3. Step 3: Cross multiply
    28,580.31x = 42,785.42 × 25,576.83
  4. Step 4: Simplify right side
    28,580.31x = 1,094,315,285.93
  5. Step 5: Solve for x
    x = 1,094,315,285.93/28,580.31
  6. Step 6: Final answer
    x = 38,289.13

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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.