Home / 28,156.26-42,242.36-14,099.32

Finding the Fourth Proportional to 28,156.26, 42,242.36 and 14,099.32

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Solution

The fourth proportional to 28,156.26, 42,242.36 and 14,099.32 is: 21,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156.26 : 42,242.36 = 14,099.32 : x
  2. Step 2: Convert to fraction form
    28,156.26/42,242.36 = 14,099.32/x
  3. Step 3: Cross multiply
    28,156.26x = 42,242.36 × 14,099.32
  4. Step 4: Simplify right side
    28,156.26x = 595,588,375.20
  5. Step 5: Solve for x
    x = 595,588,375.20/28,156.26
  6. Step 6: Final answer
    x = 21,152.97

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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.