Home / 28,956.01-43,455.86-21,184.87

Finding the Fourth Proportional to 28,956.01, 43,455.86 and 21,184.87

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Solution

The fourth proportional to 28,956.01, 43,455.86 and 21,184.87 is: 31,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.01 : 43,455.86 = 21,184.87 : x
  2. Step 2: Convert to fraction form
    28,956.01/43,455.86 = 21,184.87/x
  3. Step 3: Cross multiply
    28,956.01x = 43,455.86 × 21,184.87
  4. Step 4: Simplify right side
    28,956.01x = 920,606,638.91
  5. Step 5: Solve for x
    x = 920,606,638.91/28,956.01
  6. Step 6: Final answer
    x = 31,793.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.