Home / 27,017.28-37,277.28-15,837.12

Finding the Fourth Proportional to 27,017.28, 37,277.28 and 15,837.12

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Solution

The fourth proportional to 27,017.28, 37,277.28 and 15,837.12 is: 21,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,017.28 : 37,277.28 = 15,837.12 : x
  2. Step 2: Convert to fraction form
    27,017.28/37,277.28 = 15,837.12/x
  3. Step 3: Cross multiply
    27,017.28x = 37,277.28 × 15,837.12
  4. Step 4: Simplify right side
    27,017.28x = 590,364,756.63
  5. Step 5: Solve for x
    x = 590,364,756.63/27,017.28
  6. Step 6: Final answer
    x = 21,851.38

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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.