Home / 28,957.02-43,406.10-11,402.70

Finding the Fourth Proportional to 28,957.02, 43,406.10 and 11,402.70

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Solution

The fourth proportional to 28,957.02, 43,406.10 and 11,402.70 is: 17,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.02 : 43,406.10 = 11,402.70 : x
  2. Step 2: Convert to fraction form
    28,957.02/43,406.10 = 11,402.70/x
  3. Step 3: Cross multiply
    28,957.02x = 43,406.10 × 11,402.70
  4. Step 4: Simplify right side
    28,957.02x = 494,946,736.47
  5. Step 5: Solve for x
    x = 494,946,736.47/28,957.02
  6. Step 6: Final answer
    x = 17,092.46

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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.