Home / 27,081.47-40,607.32-8,356.40

Finding the Fourth Proportional to 27,081.47, 40,607.32 and 8,356.40

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Solution

The fourth proportional to 27,081.47, 40,607.32 and 8,356.40 is: 12,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.47 : 40,607.32 = 8,356.40 : x
  2. Step 2: Convert to fraction form
    27,081.47/40,607.32 = 8,356.40/x
  3. Step 3: Cross multiply
    27,081.47x = 40,607.32 × 8,356.40
  4. Step 4: Simplify right side
    27,081.47x = 339,330,967.07
  5. Step 5: Solve for x
    x = 339,330,967.07/27,081.47
  6. Step 6: Final answer
    x = 12,530.01

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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.