Home / 19,824.08-27,356.28-10,869.92

Finding the Fourth Proportional to 19,824.08, 27,356.28 and 10,869.92

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Solution

The fourth proportional to 19,824.08, 27,356.28 and 10,869.92 is: 14,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.08 : 27,356.28 = 10,869.92 : x
  2. Step 2: Convert to fraction form
    19,824.08/27,356.28 = 10,869.92/x
  3. Step 3: Cross multiply
    19,824.08x = 27,356.28 × 10,869.92
  4. Step 4: Simplify right side
    19,824.08x = 297,360,575.10
  5. Step 5: Solve for x
    x = 297,360,575.10/19,824.08
  6. Step 6: Final answer
    x = 14,999.97

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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.