Home / 27,276.77-40,922.28-8,557.40

Finding the Fourth Proportional to 27,276.77, 40,922.28 and 8,557.40

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Solution

The fourth proportional to 27,276.77, 40,922.28 and 8,557.40 is: 12,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.77 : 40,922.28 = 8,557.40 : x
  2. Step 2: Convert to fraction form
    27,276.77/40,922.28 = 8,557.40/x
  3. Step 3: Cross multiply
    27,276.77x = 40,922.28 × 8,557.40
  4. Step 4: Simplify right side
    27,276.77x = 350,188,421.18
  5. Step 5: Solve for x
    x = 350,188,421.18/27,276.77
  6. Step 6: Final answer
    x = 12,838.34

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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.