Home / 20,005.24-27,603.48-12,841.24

Finding the Fourth Proportional to 20,005.24, 27,603.48 and 12,841.24

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Solution

The fourth proportional to 20,005.24, 27,603.48 and 12,841.24 is: 17,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.24 : 27,603.48 = 12,841.24 : x
  2. Step 2: Convert to fraction form
    20,005.24/27,603.48 = 12,841.24/x
  3. Step 3: Cross multiply
    20,005.24x = 27,603.48 × 12,841.24
  4. Step 4: Simplify right side
    20,005.24x = 354,462,911.52
  5. Step 5: Solve for x
    x = 354,462,911.52/20,005.24
  6. Step 6: Final answer
    x = 17,718.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.