Home / 37,688.68-51,945.06-28,240.84

Finding the Fourth Proportional to 37,688.68, 51,945.06 and 28,240.84

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Solution

The fourth proportional to 37,688.68, 51,945.06 and 28,240.84 is: 38,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.68 : 51,945.06 = 28,240.84 : x
  2. Step 2: Convert to fraction form
    37,688.68/51,945.06 = 28,240.84/x
  3. Step 3: Cross multiply
    37,688.68x = 51,945.06 × 28,240.84
  4. Step 4: Simplify right side
    37,688.68x = 1,466,972,128.25
  5. Step 5: Solve for x
    x = 1,466,972,128.25/37,688.68
  6. Step 6: Final answer
    x = 38,923.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.