Home / 27,307.08-37,648.80-18,347.58

Finding the Fourth Proportional to 27,307.08, 37,648.80 and 18,347.58

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Solution

The fourth proportional to 27,307.08, 37,648.80 and 18,347.58 is: 25,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.08 : 37,648.80 = 18,347.58 : x
  2. Step 2: Convert to fraction form
    27,307.08/37,648.80 = 18,347.58/x
  3. Step 3: Cross multiply
    27,307.08x = 37,648.80 × 18,347.58
  4. Step 4: Simplify right side
    27,307.08x = 690,764,369.90
  5. Step 5: Solve for x
    x = 690,764,369.90/27,307.08
  6. Step 6: Final answer
    x = 25,296.16

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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.