Home / 28,078.92-42,096.36-14,038.32

Finding the Fourth Proportional to 28,078.92, 42,096.36 and 14,038.32

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Solution

The fourth proportional to 28,078.92, 42,096.36 and 14,038.32 is: 21,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078.92 : 42,096.36 = 14,038.32 : x
  2. Step 2: Convert to fraction form
    28,078.92/42,096.36 = 14,038.32/x
  3. Step 3: Cross multiply
    28,078.92x = 42,096.36 × 14,038.32
  4. Step 4: Simplify right side
    28,078.92x = 590,962,172.52
  5. Step 5: Solve for x
    x = 590,962,172.52/28,078.92
  6. Step 6: Final answer
    x = 21,046.47

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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.