Home / 32,555.52-44,928-21,388.80

Finding the Fourth Proportional to 32,555.52, 44,928 and 21,388.80

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Solution

The fourth proportional to 32,555.52, 44,928 and 21,388.80 is: 29,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,555.52 : 44,928 = 21,388.80 : x
  2. Step 2: Convert to fraction form
    32,555.52/44,928 = 21,388.80/x
  3. Step 3: Cross multiply
    32,555.52x = 44,928 × 21,388.80
  4. Step 4: Simplify right side
    32,555.52x = 960,956,006.40
  5. Step 5: Solve for x
    x = 960,956,006.40/32,555.52
  6. Step 6: Final answer
    x = 29,517.45

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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.