Home / 28,309.62-42,461.82-9,587.51

Finding the Fourth Proportional to 28,309.62, 42,461.82 and 9,587.51

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Solution

The fourth proportional to 28,309.62, 42,461.82 and 9,587.51 is: 14,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309.62 : 42,461.82 = 9,587.51 : x
  2. Step 2: Convert to fraction form
    28,309.62/42,461.82 = 9,587.51/x
  3. Step 3: Cross multiply
    28,309.62x = 42,461.82 × 9,587.51
  4. Step 4: Simplify right side
    28,309.62x = 407,102,911.56
  5. Step 5: Solve for x
    x = 407,102,911.56/28,309.62
  6. Step 6: Final answer
    x = 14,380.37

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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.