Home / 28,076.18-42,100.09-9,349.52

Finding the Fourth Proportional to 28,076.18, 42,100.09 and 9,349.52

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Solution

The fourth proportional to 28,076.18, 42,100.09 and 9,349.52 is: 14,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.18 : 42,100.09 = 9,349.52 : x
  2. Step 2: Convert to fraction form
    28,076.18/42,100.09 = 9,349.52/x
  3. Step 3: Cross multiply
    28,076.18x = 42,100.09 × 9,349.52
  4. Step 4: Simplify right side
    28,076.18x = 393,615,399.58
  5. Step 5: Solve for x
    x = 393,615,399.58/28,076.18
  6. Step 6: Final answer
    x = 14,019.55

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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.