Home / 28,813.03-43,218.72-15,748.15

Finding the Fourth Proportional to 28,813.03, 43,218.72 and 15,748.15

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Solution

The fourth proportional to 28,813.03, 43,218.72 and 15,748.15 is: 23,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813.03 : 43,218.72 = 15,748.15 : x
  2. Step 2: Convert to fraction form
    28,813.03/43,218.72 = 15,748.15/x
  3. Step 3: Cross multiply
    28,813.03x = 43,218.72 × 15,748.15
  4. Step 4: Simplify right side
    28,813.03x = 680,614,885.37
  5. Step 5: Solve for x
    x = 680,614,885.37/28,813.03
  6. Step 6: Final answer
    x = 23,621.77

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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.