Home / 28,542.72-39,389.08-15,967.48

Finding the Fourth Proportional to 28,542.72, 39,389.08 and 15,967.48

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Solution

The fourth proportional to 28,542.72, 39,389.08 and 15,967.48 is: 22,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.72 : 39,389.08 = 15,967.48 : x
  2. Step 2: Convert to fraction form
    28,542.72/39,389.08 = 15,967.48/x
  3. Step 3: Cross multiply
    28,542.72x = 39,389.08 × 15,967.48
  4. Step 4: Simplify right side
    28,542.72x = 628,944,347.12
  5. Step 5: Solve for x
    x = 628,944,347.12/28,542.72
  6. Step 6: Final answer
    x = 22,035.19

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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.