Home / 28,300.20-42,457.40-10,760.44

Finding the Fourth Proportional to 28,300.20, 42,457.40 and 10,760.44

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Solution

The fourth proportional to 28,300.20, 42,457.40 and 10,760.44 is: 16,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.20 : 42,457.40 = 10,760.44 : x
  2. Step 2: Convert to fraction form
    28,300.20/42,457.40 = 10,760.44/x
  3. Step 3: Cross multiply
    28,300.20x = 42,457.40 × 10,760.44
  4. Step 4: Simplify right side
    28,300.20x = 456,860,305.26
  5. Step 5: Solve for x
    x = 456,860,305.26/28,300.20
  6. Step 6: Final answer
    x = 16,143.36

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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.