Home / 27,542.02-38,007.86-15,605.33

Finding the Fourth Proportional to 27,542.02, 38,007.86 and 15,605.33

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Solution

The fourth proportional to 27,542.02, 38,007.86 and 15,605.33 is: 21,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.02 : 38,007.86 = 15,605.33 : x
  2. Step 2: Convert to fraction form
    27,542.02/38,007.86 = 15,605.33/x
  3. Step 3: Cross multiply
    27,542.02x = 38,007.86 × 15,605.33
  4. Step 4: Simplify right side
    27,542.02x = 593,125,197.89
  5. Step 5: Solve for x
    x = 593,125,197.89/27,542.02
  6. Step 6: Final answer
    x = 21,535.28

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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.