Home / 21,313.60-31,944.87-15,064.24

Finding the Fourth Proportional to 21,313.60, 31,944.87 and 15,064.24

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Solution

The fourth proportional to 21,313.60, 31,944.87 and 15,064.24 is: 22,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313.60 : 31,944.87 = 15,064.24 : x
  2. Step 2: Convert to fraction form
    21,313.60/31,944.87 = 15,064.24/x
  3. Step 3: Cross multiply
    21,313.60x = 31,944.87 × 15,064.24
  4. Step 4: Simplify right side
    21,313.60x = 481,225,188.45
  5. Step 5: Solve for x
    x = 481,225,188.45/21,313.60
  6. Step 6: Final answer
    x = 22,578.32

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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.