Home / 29,528.57-40,747.88-16,780.05

Finding the Fourth Proportional to 29,528.57, 40,747.88 and 16,780.05

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Solution

The fourth proportional to 29,528.57, 40,747.88 and 16,780.05 is: 23,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,528.57 : 40,747.88 = 16,780.05 : x
  2. Step 2: Convert to fraction form
    29,528.57/40,747.88 = 16,780.05/x
  3. Step 3: Cross multiply
    29,528.57x = 40,747.88 × 16,780.05
  4. Step 4: Simplify right side
    29,528.57x = 683,751,463.79
  5. Step 5: Solve for x
    x = 683,751,463.79/29,528.57
  6. Step 6: Final answer
    x = 23,155.59

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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.