Home / 39,387.05-54,335.37-26,644.70

Finding the Fourth Proportional to 39,387.05, 54,335.37 and 26,644.70

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Solution

The fourth proportional to 39,387.05, 54,335.37 and 26,644.70 is: 36,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387.05 : 54,335.37 = 26,644.70 : x
  2. Step 2: Convert to fraction form
    39,387.05/54,335.37 = 26,644.70/x
  3. Step 3: Cross multiply
    39,387.05x = 54,335.37 × 26,644.70
  4. Step 4: Simplify right side
    39,387.05x = 1,447,749,461.28
  5. Step 5: Solve for x
    x = 1,447,749,461.28/39,387.05
  6. Step 6: Final answer
    x = 36,756.99

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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.