Home / 39,417.26-54,371.50-28,090.39

Finding the Fourth Proportional to 39,417.26, 54,371.50 and 28,090.39

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Solution

The fourth proportional to 39,417.26, 54,371.50 and 28,090.39 is: 38,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,417.26 : 54,371.50 = 28,090.39 : x
  2. Step 2: Convert to fraction form
    39,417.26/54,371.50 = 28,090.39/x
  3. Step 3: Cross multiply
    39,417.26x = 54,371.50 × 28,090.39
  4. Step 4: Simplify right side
    39,417.26x = 1,527,316,433.73
  5. Step 5: Solve for x
    x = 1,527,316,433.73/39,417.26
  6. Step 6: Final answer
    x = 38,747.40

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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.