Home / 27,291.22-40,928.12-10,647.20

Finding the Fourth Proportional to 27,291.22, 40,928.12 and 10,647.20

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Solution

The fourth proportional to 27,291.22, 40,928.12 and 10,647.20 is: 15,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.22 : 40,928.12 = 10,647.20 : x
  2. Step 2: Convert to fraction form
    27,291.22/40,928.12 = 10,647.20/x
  3. Step 3: Cross multiply
    27,291.22x = 40,928.12 × 10,647.20
  4. Step 4: Simplify right side
    27,291.22x = 435,769,879.26
  5. Step 5: Solve for x
    x = 435,769,879.26/27,291.22
  6. Step 6: Final answer
    x = 15,967.40

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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.