Home / 28,777.66-39,712.56-16,030.82

Finding the Fourth Proportional to 28,777.66, 39,712.56 and 16,030.82

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Solution

The fourth proportional to 28,777.66, 39,712.56 and 16,030.82 is: 22,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.66 : 39,712.56 = 16,030.82 : x
  2. Step 2: Convert to fraction form
    28,777.66/39,712.56 = 16,030.82/x
  3. Step 3: Cross multiply
    28,777.66x = 39,712.56 × 16,030.82
  4. Step 4: Simplify right side
    28,777.66x = 636,624,901.10
  5. Step 5: Solve for x
    x = 636,624,901.10/28,777.66
  6. Step 6: Final answer
    x = 22,122.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.