Home / 26,359.52-39,538.76-7,638.80

Finding the Fourth Proportional to 26,359.52, 39,538.76 and 7,638.80

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Solution

The fourth proportional to 26,359.52, 39,538.76 and 7,638.80 is: 11,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,359.52 : 39,538.76 = 7,638.80 : x
  2. Step 2: Convert to fraction form
    26,359.52/39,538.76 = 7,638.80/x
  3. Step 3: Cross multiply
    26,359.52x = 39,538.76 × 7,638.80
  4. Step 4: Simplify right side
    26,359.52x = 302,028,444.00
  5. Step 5: Solve for x
    x = 302,028,444.00/26,359.52
  6. Step 6: Final answer
    x = 11,458.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.