Home / 28,460.66-42,686.98-17,898.48

Finding the Fourth Proportional to 28,460.66, 42,686.98 and 17,898.48

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Solution

The fourth proportional to 28,460.66, 42,686.98 and 17,898.48 is: 26,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460.66 : 42,686.98 = 17,898.48 : x
  2. Step 2: Convert to fraction form
    28,460.66/42,686.98 = 17,898.48/x
  3. Step 3: Cross multiply
    28,460.66x = 42,686.98 × 17,898.48
  4. Step 4: Simplify right side
    28,460.66x = 764,032,057.79
  5. Step 5: Solve for x
    x = 764,032,057.79/28,460.66
  6. Step 6: Final answer
    x = 26,845.20

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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.