Home / 21,491.37-32,236.89-15,140.10

Finding the Fourth Proportional to 21,491.37, 32,236.89 and 15,140.10

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Solution

The fourth proportional to 21,491.37, 32,236.89 and 15,140.10 is: 22,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.37 : 32,236.89 = 15,140.10 : x
  2. Step 2: Convert to fraction form
    21,491.37/32,236.89 = 15,140.10/x
  3. Step 3: Cross multiply
    21,491.37x = 32,236.89 × 15,140.10
  4. Step 4: Simplify right side
    21,491.37x = 488,069,738.29
  5. Step 5: Solve for x
    x = 488,069,738.29/21,491.37
  6. Step 6: Final answer
    x = 22,710.03

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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.