Home / 28,310.77-42,466.11-12,710.17

Finding the Fourth Proportional to 28,310.77, 42,466.11 and 12,710.17

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Solution

The fourth proportional to 28,310.77, 42,466.11 and 12,710.17 is: 19,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.77 : 42,466.11 = 12,710.17 : x
  2. Step 2: Convert to fraction form
    28,310.77/42,466.11 = 12,710.17/x
  3. Step 3: Cross multiply
    28,310.77x = 42,466.11 × 12,710.17
  4. Step 4: Simplify right side
    28,310.77x = 539,751,477.34
  5. Step 5: Solve for x
    x = 539,751,477.34/28,310.77
  6. Step 6: Final answer
    x = 19,065.23

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Similar ratio
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1.5x scale

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.