Home / 21,828.52-32,715.38-9,333.85

Finding the Fourth Proportional to 21,828.52, 32,715.38 and 9,333.85

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Solution

The fourth proportional to 21,828.52, 32,715.38 and 9,333.85 is: 13,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.52 : 32,715.38 = 9,333.85 : x
  2. Step 2: Convert to fraction form
    21,828.52/32,715.38 = 9,333.85/x
  3. Step 3: Cross multiply
    21,828.52x = 32,715.38 × 9,333.85
  4. Step 4: Simplify right side
    21,828.52x = 305,360,332.76
  5. Step 5: Solve for x
    x = 305,360,332.76/21,828.52
  6. Step 6: Final answer
    x = 13,989.05

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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.