Home / 27,919.08-41,862.42-13,118.76

Finding the Fourth Proportional to 27,919.08, 41,862.42 and 13,118.76

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Solution

The fourth proportional to 27,919.08, 41,862.42 and 13,118.76 is: 19,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.08 : 41,862.42 = 13,118.76 : x
  2. Step 2: Convert to fraction form
    27,919.08/41,862.42 = 13,118.76/x
  3. Step 3: Cross multiply
    27,919.08x = 41,862.42 × 13,118.76
  4. Step 4: Simplify right side
    27,919.08x = 549,183,041.00
  5. Step 5: Solve for x
    x = 549,183,041.00/27,919.08
  6. Step 6: Final answer
    x = 19,670.53

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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.