Home / 24,508.78-33,820.14-13,899.40

Finding the Fourth Proportional to 24,508.78, 33,820.14 and 13,899.40

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Solution

The fourth proportional to 24,508.78, 33,820.14 and 13,899.40 is: 19,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,508.78 : 33,820.14 = 13,899.40 : x
  2. Step 2: Convert to fraction form
    24,508.78/33,820.14 = 13,899.40/x
  3. Step 3: Cross multiply
    24,508.78x = 33,820.14 × 13,899.40
  4. Step 4: Simplify right side
    24,508.78x = 470,079,653.92
  5. Step 5: Solve for x
    x = 470,079,653.92/24,508.78
  6. Step 6: Final answer
    x = 19,180.05

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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.