Home / 28,223.44-42,320.28-15,072.24

Finding the Fourth Proportional to 28,223.44, 42,320.28 and 15,072.24

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Solution

The fourth proportional to 28,223.44, 42,320.28 and 15,072.24 is: 22,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.44 : 42,320.28 = 15,072.24 : x
  2. Step 2: Convert to fraction form
    28,223.44/42,320.28 = 15,072.24/x
  3. Step 3: Cross multiply
    28,223.44x = 42,320.28 × 15,072.24
  4. Step 4: Simplify right side
    28,223.44x = 637,861,417.03
  5. Step 5: Solve for x
    x = 637,861,417.03/28,223.44
  6. Step 6: Final answer
    x = 22,600.41

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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.