Home / 24,290.78-33,520.74-13,535.64

Finding the Fourth Proportional to 24,290.78, 33,520.74 and 13,535.64

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Solution

The fourth proportional to 24,290.78, 33,520.74 and 13,535.64 is: 18,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,290.78 : 33,520.74 = 13,535.64 : x
  2. Step 2: Convert to fraction form
    24,290.78/33,520.74 = 13,535.64/x
  3. Step 3: Cross multiply
    24,290.78x = 33,520.74 × 13,535.64
  4. Step 4: Simplify right side
    24,290.78x = 453,724,669.17
  5. Step 5: Solve for x
    x = 453,724,669.17/24,290.78
  6. Step 6: Final answer
    x = 18,678.88

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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.