Home / 19,362.72-26,721.60-14,638.80

Finding the Fourth Proportional to 19,362.72, 26,721.60 and 14,638.80

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Solution

The fourth proportional to 19,362.72, 26,721.60 and 14,638.80 is: 20,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.72 : 26,721.60 = 14,638.80 : x
  2. Step 2: Convert to fraction form
    19,362.72/26,721.60 = 14,638.80/x
  3. Step 3: Cross multiply
    19,362.72x = 26,721.60 × 14,638.80
  4. Step 4: Simplify right side
    19,362.72x = 391,172,158.08
  5. Step 5: Solve for x
    x = 391,172,158.08/19,362.72
  6. Step 6: Final answer
    x = 20,202.34

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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.