Home / 28,533.76-39,367.68-17,351.68

Finding the Fourth Proportional to 28,533.76, 39,367.68 and 17,351.68

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Solution

The fourth proportional to 28,533.76, 39,367.68 and 17,351.68 is: 23,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.76 : 39,367.68 = 17,351.68 : x
  2. Step 2: Convert to fraction form
    28,533.76/39,367.68 = 17,351.68/x
  3. Step 3: Cross multiply
    28,533.76x = 39,367.68 × 17,351.68
  4. Step 4: Simplify right side
    28,533.76x = 683,095,385.70
  5. Step 5: Solve for x
    x = 683,095,385.70/28,533.76
  6. Step 6: Final answer
    x = 23,939.90

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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.