Home / 27,447.21-37,877.45-15,510.69

Finding the Fourth Proportional to 27,447.21, 37,877.45 and 15,510.69

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Solution

The fourth proportional to 27,447.21, 37,877.45 and 15,510.69 is: 21,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,447.21 : 37,877.45 = 15,510.69 : x
  2. Step 2: Convert to fraction form
    27,447.21/37,877.45 = 15,510.69/x
  3. Step 3: Cross multiply
    27,447.21x = 37,877.45 × 15,510.69
  4. Step 4: Simplify right side
    27,447.21x = 587,505,307.39
  5. Step 5: Solve for x
    x = 587,505,307.39/27,447.21
  6. Step 6: Final answer
    x = 21,404.92

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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.