Home / 28,542.51-39,389.76-15,967.26

Finding the Fourth Proportional to 28,542.51, 39,389.76 and 15,967.26

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Solution

The fourth proportional to 28,542.51, 39,389.76 and 15,967.26 is: 22,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.51 : 39,389.76 = 15,967.26 : x
  2. Step 2: Convert to fraction form
    28,542.51/39,389.76 = 15,967.26/x
  3. Step 3: Cross multiply
    28,542.51x = 39,389.76 × 15,967.26
  4. Step 4: Simplify right side
    28,542.51x = 628,946,539.26
  5. Step 5: Solve for x
    x = 628,946,539.26/28,542.51
  6. Step 6: Final answer
    x = 22,035.43

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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.