Home / 21,209.28-31,798.56-16,002.24

Finding the Fourth Proportional to 21,209.28, 31,798.56 and 16,002.24

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Solution

The fourth proportional to 21,209.28, 31,798.56 and 16,002.24 is: 23,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,209.28 : 31,798.56 = 16,002.24 : x
  2. Step 2: Convert to fraction form
    21,209.28/31,798.56 = 16,002.24/x
  3. Step 3: Cross multiply
    21,209.28x = 31,798.56 × 16,002.24
  4. Step 4: Simplify right side
    21,209.28x = 508,848,188.77
  5. Step 5: Solve for x
    x = 508,848,188.77/21,209.28
  6. Step 6: Final answer
    x = 23,991.77

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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.