Home / 23,710.35-32,721.23-13,638.79

Finding the Fourth Proportional to 23,710.35, 32,721.23 and 13,638.79

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Solution

The fourth proportional to 23,710.35, 32,721.23 and 13,638.79 is: 18,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.35 : 32,721.23 = 13,638.79 : x
  2. Step 2: Convert to fraction form
    23,710.35/32,721.23 = 13,638.79/x
  3. Step 3: Cross multiply
    23,710.35x = 32,721.23 × 13,638.79
  4. Step 4: Simplify right side
    23,710.35x = 446,277,936.81
  5. Step 5: Solve for x
    x = 446,277,936.81/23,710.35
  6. Step 6: Final answer
    x = 18,822.07

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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.