Home / 28,000.84-42,002.07-10,467.31

Finding the Fourth Proportional to 28,000.84, 42,002.07 and 10,467.31

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Solution

The fourth proportional to 28,000.84, 42,002.07 and 10,467.31 is: 15,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.84 : 42,002.07 = 10,467.31 : x
  2. Step 2: Convert to fraction form
    28,000.84/42,002.07 = 10,467.31/x
  3. Step 3: Cross multiply
    28,000.84x = 42,002.07 × 10,467.31
  4. Step 4: Simplify right side
    28,000.84x = 439,648,687.33
  5. Step 5: Solve for x
    x = 439,648,687.33/28,000.84
  6. Step 6: Final answer
    x = 15,701.27

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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.