Home / 38,127.36-57,112.32-28,277.76

Finding the Fourth Proportional to 38,127.36, 57,112.32 and 28,277.76

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Solution

The fourth proportional to 38,127.36, 57,112.32 and 28,277.76 is: 42,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.36 : 57,112.32 = 28,277.76 : x
  2. Step 2: Convert to fraction form
    38,127.36/57,112.32 = 28,277.76/x
  3. Step 3: Cross multiply
    38,127.36x = 57,112.32 × 28,277.76
  4. Step 4: Simplify right side
    38,127.36x = 1,615,008,478.00
  5. Step 5: Solve for x
    x = 1,615,008,478.00/38,127.36
  6. Step 6: Final answer
    x = 42,358.26

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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.