Home / 27,099.90-40,637.70-12,301.20

Finding the Fourth Proportional to 27,099.90, 40,637.70 and 12,301.20

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Solution

The fourth proportional to 27,099.90, 40,637.70 and 12,301.20 is: 18,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.90 : 40,637.70 = 12,301.20 : x
  2. Step 2: Convert to fraction form
    27,099.90/40,637.70 = 12,301.20/x
  3. Step 3: Cross multiply
    27,099.90x = 40,637.70 × 12,301.20
  4. Step 4: Simplify right side
    27,099.90x = 499,892,475.24
  5. Step 5: Solve for x
    x = 499,892,475.24/27,099.90
  6. Step 6: Final answer
    x = 18,446.28

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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.