Home / 26,427.84-39,628.32-11,630.40

Finding the Fourth Proportional to 26,427.84, 39,628.32 and 11,630.40

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Solution

The fourth proportional to 26,427.84, 39,628.32 and 11,630.40 is: 17,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.84 : 39,628.32 = 11,630.40 : x
  2. Step 2: Convert to fraction form
    26,427.84/39,628.32 = 11,630.40/x
  3. Step 3: Cross multiply
    26,427.84x = 39,628.32 × 11,630.40
  4. Step 4: Simplify right side
    26,427.84x = 460,893,212.93
  5. Step 5: Solve for x
    x = 460,893,212.93/26,427.84
  6. Step 6: Final answer
    x = 17,439.69

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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.