Home / 28,732.48-43,059.40-21,706.72

Finding the Fourth Proportional to 28,732.48, 43,059.40 and 21,706.72

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Solution

The fourth proportional to 28,732.48, 43,059.40 and 21,706.72 is: 32,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.48 : 43,059.40 = 21,706.72 : x
  2. Step 2: Convert to fraction form
    28,732.48/43,059.40 = 21,706.72/x
  3. Step 3: Cross multiply
    28,732.48x = 43,059.40 × 21,706.72
  4. Step 4: Simplify right side
    28,732.48x = 934,678,339.17
  5. Step 5: Solve for x
    x = 934,678,339.17/28,732.48
  6. Step 6: Final answer
    x = 32,530.37

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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.