Home / 27,369.76-37,787.50-20,984.51

Finding the Fourth Proportional to 27,369.76, 37,787.50 and 20,984.51

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Solution

The fourth proportional to 27,369.76, 37,787.50 and 20,984.51 is: 28,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.76 : 37,787.50 = 20,984.51 : x
  2. Step 2: Convert to fraction form
    27,369.76/37,787.50 = 20,984.51/x
  3. Step 3: Cross multiply
    27,369.76x = 37,787.50 × 20,984.51
  4. Step 4: Simplify right side
    27,369.76x = 792,952,171.63
  5. Step 5: Solve for x
    x = 792,952,171.63/27,369.76
  6. Step 6: Final answer
    x = 28,971.84

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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.