Home / 27,531-37,975.50-21,955.32

Finding the Fourth Proportional to 27,531, 37,975.50 and 21,955.32

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Solution

The fourth proportional to 27,531, 37,975.50 and 21,955.32 is: 30,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531 : 37,975.50 = 21,955.32 : x
  2. Step 2: Convert to fraction form
    27,531/37,975.50 = 21,955.32/x
  3. Step 3: Cross multiply
    27,531x = 37,975.50 × 21,955.32
  4. Step 4: Simplify right side
    27,531x = 833,764,254.66
  5. Step 5: Solve for x
    x = 833,764,254.66/27,531
  6. Step 6: Final answer
    x = 30,284.56

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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.