Home / 27,144.32-40,715.87-12,357.16

Finding the Fourth Proportional to 27,144.32, 40,715.87 and 12,357.16

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Solution

The fourth proportional to 27,144.32, 40,715.87 and 12,357.16 is: 18,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.32 : 40,715.87 = 12,357.16 : x
  2. Step 2: Convert to fraction form
    27,144.32/40,715.87 = 12,357.16/x
  3. Step 3: Cross multiply
    27,144.32x = 40,715.87 × 12,357.16
  4. Step 4: Simplify right side
    27,144.32x = 503,132,356.55
  5. Step 5: Solve for x
    x = 503,132,356.55/27,144.32
  6. Step 6: Final answer
    x = 18,535.46

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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.