Home / 26,392.08-39,590.19-7,672.40

Finding the Fourth Proportional to 26,392.08, 39,590.19 and 7,672.40

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Solution

The fourth proportional to 26,392.08, 39,590.19 and 7,672.40 is: 11,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392.08 : 39,590.19 = 7,672.40 : x
  2. Step 2: Convert to fraction form
    26,392.08/39,590.19 = 7,672.40/x
  3. Step 3: Cross multiply
    26,392.08x = 39,590.19 × 7,672.40
  4. Step 4: Simplify right side
    26,392.08x = 303,751,575.81
  5. Step 5: Solve for x
    x = 303,751,575.81/26,392.08
  6. Step 6: Final answer
    x = 11,509.19

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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.