Home / 28,282.02-42,428.50-10,750.48

Finding the Fourth Proportional to 28,282.02, 42,428.50 and 10,750.48

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Solution

The fourth proportional to 28,282.02, 42,428.50 and 10,750.48 is: 16,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.02 : 42,428.50 = 10,750.48 : x
  2. Step 2: Convert to fraction form
    28,282.02/42,428.50 = 10,750.48/x
  3. Step 3: Cross multiply
    28,282.02x = 42,428.50 × 10,750.48
  4. Step 4: Simplify right side
    28,282.02x = 456,126,740.68
  5. Step 5: Solve for x
    x = 456,126,740.68/28,282.02
  6. Step 6: Final answer
    x = 16,127.80

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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.