Home / 27,570.99-38,048.40-15,634.08

Finding the Fourth Proportional to 27,570.99, 38,048.40 and 15,634.08

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Solution

The fourth proportional to 27,570.99, 38,048.40 and 15,634.08 is: 21,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.99 : 38,048.40 = 15,634.08 : x
  2. Step 2: Convert to fraction form
    27,570.99/38,048.40 = 15,634.08/x
  3. Step 3: Cross multiply
    27,570.99x = 38,048.40 × 15,634.08
  4. Step 4: Simplify right side
    27,570.99x = 594,851,729.47
  5. Step 5: Solve for x
    x = 594,851,729.47/27,570.99
  6. Step 6: Final answer
    x = 21,575.28

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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.