Home / 26,339.60-39,501.30-7,621.40

Finding the Fourth Proportional to 26,339.60, 39,501.30 and 7,621.40

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Solution

The fourth proportional to 26,339.60, 39,501.30 and 7,621.40 is: 11,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.60 : 39,501.30 = 7,621.40 : x
  2. Step 2: Convert to fraction form
    26,339.60/39,501.30 = 7,621.40/x
  3. Step 3: Cross multiply
    26,339.60x = 39,501.30 × 7,621.40
  4. Step 4: Simplify right side
    26,339.60x = 301,055,207.82
  5. Step 5: Solve for x
    x = 301,055,207.82/26,339.60
  6. Step 6: Final answer
    x = 11,429.76

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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.