Home / 27,315.90-40,973.85-9,786.30

Finding the Fourth Proportional to 27,315.90, 40,973.85 and 9,786.30

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Solution

The fourth proportional to 27,315.90, 40,973.85 and 9,786.30 is: 14,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.90 : 40,973.85 = 9,786.30 : x
  2. Step 2: Convert to fraction form
    27,315.90/40,973.85 = 9,786.30/x
  3. Step 3: Cross multiply
    27,315.90x = 40,973.85 × 9,786.30
  4. Step 4: Simplify right side
    27,315.90x = 400,982,388.26
  5. Step 5: Solve for x
    x = 400,982,388.26/27,315.90
  6. Step 6: Final answer
    x = 14,679.45

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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.