Home / 42,810.96-64,227.36-16,508.64

Finding the Fourth Proportional to 42,810.96, 64,227.36 and 16,508.64

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Solution

The fourth proportional to 42,810.96, 64,227.36 and 16,508.64 is: 24,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,810.96 : 64,227.36 = 16,508.64 : x
  2. Step 2: Convert to fraction form
    42,810.96/64,227.36 = 16,508.64/x
  3. Step 3: Cross multiply
    42,810.96x = 64,227.36 × 16,508.64
  4. Step 4: Simplify right side
    42,810.96x = 1,060,306,364.39
  5. Step 5: Solve for x
    x = 1,060,306,364.39/42,810.96
  6. Step 6: Final answer
    x = 24,767.17

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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.