Home / 27,098.40-40,647.60-19,225.20

Finding the Fourth Proportional to 27,098.40, 40,647.60 and 19,225.20

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Solution

The fourth proportional to 27,098.40, 40,647.60 and 19,225.20 is: 28,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,098.40 : 40,647.60 = 19,225.20 : x
  2. Step 2: Convert to fraction form
    27,098.40/40,647.60 = 19,225.20/x
  3. Step 3: Cross multiply
    27,098.40x = 40,647.60 × 19,225.20
  4. Step 4: Simplify right side
    27,098.40x = 781,458,239.52
  5. Step 5: Solve for x
    x = 781,458,239.52/27,098.40
  6. Step 6: Final answer
    x = 28,837.80

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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.