Home / 27,405.04-37,808.84-17,986.40

Finding the Fourth Proportional to 27,405.04, 37,808.84 and 17,986.40

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Solution

The fourth proportional to 27,405.04, 37,808.84 and 17,986.40 is: 24,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.04 : 37,808.84 = 17,986.40 : x
  2. Step 2: Convert to fraction form
    27,405.04/37,808.84 = 17,986.40/x
  3. Step 3: Cross multiply
    27,405.04x = 37,808.84 × 17,986.40
  4. Step 4: Simplify right side
    27,405.04x = 680,044,919.78
  5. Step 5: Solve for x
    x = 680,044,919.78/27,405.04
  6. Step 6: Final answer
    x = 24,814.59

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1.5x scale

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.