Home / 27,486.42-37,931.94-16,870.02

Finding the Fourth Proportional to 27,486.42, 37,931.94 and 16,870.02

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Solution

The fourth proportional to 27,486.42, 37,931.94 and 16,870.02 is: 23,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.42 : 37,931.94 = 16,870.02 : x
  2. Step 2: Convert to fraction form
    27,486.42/37,931.94 = 16,870.02/x
  3. Step 3: Cross multiply
    27,486.42x = 37,931.94 × 16,870.02
  4. Step 4: Simplify right side
    27,486.42x = 639,912,586.44
  5. Step 5: Solve for x
    x = 639,912,586.44/27,486.42
  6. Step 6: Final answer
    x = 23,281.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.