Home / 27,407.36-41,111.15-9,878.56

Finding the Fourth Proportional to 27,407.36, 41,111.15 and 9,878.56

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Solution

The fourth proportional to 27,407.36, 41,111.15 and 9,878.56 is: 14,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.36 : 41,111.15 = 9,878.56 : x
  2. Step 2: Convert to fraction form
    27,407.36/41,111.15 = 9,878.56/x
  3. Step 3: Cross multiply
    27,407.36x = 41,111.15 × 9,878.56
  4. Step 4: Simplify right side
    27,407.36x = 406,118,809.77
  5. Step 5: Solve for x
    x = 406,118,809.77/27,407.36
  6. Step 6: Final answer
    x = 14,817.87

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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.