Home / 27,080.47-40,605.82-8,355.40

Finding the Fourth Proportional to 27,080.47, 40,605.82 and 8,355.40

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Solution

The fourth proportional to 27,080.47, 40,605.82 and 8,355.40 is: 12,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.47 : 40,605.82 = 8,355.40 : x
  2. Step 2: Convert to fraction form
    27,080.47/40,605.82 = 8,355.40/x
  3. Step 3: Cross multiply
    27,080.47x = 40,605.82 × 8,355.40
  4. Step 4: Simplify right side
    27,080.47x = 339,277,746.02
  5. Step 5: Solve for x
    x = 339,277,746.02/27,080.47
  6. Step 6: Final answer
    x = 12,528.50

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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.