Home / 21,378.06-32,025.57-10,292.53

Finding the Fourth Proportional to 21,378.06, 32,025.57 and 10,292.53

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Solution

The fourth proportional to 21,378.06, 32,025.57 and 10,292.53 is: 15,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,378.06 : 32,025.57 = 10,292.53 : x
  2. Step 2: Convert to fraction form
    21,378.06/32,025.57 = 10,292.53/x
  3. Step 3: Cross multiply
    21,378.06x = 32,025.57 × 10,292.53
  4. Step 4: Simplify right side
    21,378.06x = 329,624,139.99
  5. Step 5: Solve for x
    x = 329,624,139.99/21,378.06
  6. Step 6: Final answer
    x = 15,418.81

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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.