Home / 25,784.39-38,678.60-10,993.41

Finding the Fourth Proportional to 25,784.39, 38,678.60 and 10,993.41

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Solution

The fourth proportional to 25,784.39, 38,678.60 and 10,993.41 is: 16,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.39 : 38,678.60 = 10,993.41 : x
  2. Step 2: Convert to fraction form
    25,784.39/38,678.60 = 10,993.41/x
  3. Step 3: Cross multiply
    25,784.39x = 38,678.60 × 10,993.41
  4. Step 4: Simplify right side
    25,784.39x = 425,209,735.51
  5. Step 5: Solve for x
    x = 425,209,735.51/25,784.39
  6. Step 6: Final answer
    x = 16,490.97

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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.