Home / 27,031.19-37,300.82-15,697.08

Finding the Fourth Proportional to 27,031.19, 37,300.82 and 15,697.08

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Solution

The fourth proportional to 27,031.19, 37,300.82 and 15,697.08 is: 21,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.19 : 37,300.82 = 15,697.08 : x
  2. Step 2: Convert to fraction form
    27,031.19/37,300.82 = 15,697.08/x
  3. Step 3: Cross multiply
    27,031.19x = 37,300.82 × 15,697.08
  4. Step 4: Simplify right side
    27,031.19x = 585,513,877.12
  5. Step 5: Solve for x
    x = 585,513,877.12/27,031.19
  6. Step 6: Final answer
    x = 21,660.68

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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.