Home / 27,945.55-38,538.49-18,368.52

Finding the Fourth Proportional to 27,945.55, 38,538.49 and 18,368.52

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Solution

The fourth proportional to 27,945.55, 38,538.49 and 18,368.52 is: 25,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.55 : 38,538.49 = 18,368.52 : x
  2. Step 2: Convert to fraction form
    27,945.55/38,538.49 = 18,368.52/x
  3. Step 3: Cross multiply
    27,945.55x = 38,538.49 × 18,368.52
  4. Step 4: Simplify right side
    27,945.55x = 707,895,024.33
  5. Step 5: Solve for x
    x = 707,895,024.33/27,945.55
  6. Step 6: Final answer
    x = 25,331.23

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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.