Home / 28,868.28-43,307.28-10,147.56

Finding the Fourth Proportional to 28,868.28, 43,307.28 and 10,147.56

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Solution

The fourth proportional to 28,868.28, 43,307.28 and 10,147.56 is: 15,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.28 : 43,307.28 = 10,147.56 : x
  2. Step 2: Convert to fraction form
    28,868.28/43,307.28 = 10,147.56/x
  3. Step 3: Cross multiply
    28,868.28x = 43,307.28 × 10,147.56
  4. Step 4: Simplify right side
    28,868.28x = 439,463,222.24
  5. Step 5: Solve for x
    x = 439,463,222.24/28,868.28
  6. Step 6: Final answer
    x = 15,223.05

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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.