Home / 27,317.66-37,695.26-15,380.69

Finding the Fourth Proportional to 27,317.66, 37,695.26 and 15,380.69

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Solution

The fourth proportional to 27,317.66, 37,695.26 and 15,380.69 is: 21,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.66 : 37,695.26 = 15,380.69 : x
  2. Step 2: Convert to fraction form
    27,317.66/37,695.26 = 15,380.69/x
  3. Step 3: Cross multiply
    27,317.66x = 37,695.26 × 15,380.69
  4. Step 4: Simplify right side
    27,317.66x = 579,779,031.63
  5. Step 5: Solve for x
    x = 579,779,031.63/27,317.66
  6. Step 6: Final answer
    x = 21,223.60

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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.