Home / 27,193.50-37,528.29-15,861.20

Finding the Fourth Proportional to 27,193.50, 37,528.29 and 15,861.20

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Solution

The fourth proportional to 27,193.50, 37,528.29 and 15,861.20 is: 21,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,193.50 : 37,528.29 = 15,861.20 : x
  2. Step 2: Convert to fraction form
    27,193.50/37,528.29 = 15,861.20/x
  3. Step 3: Cross multiply
    27,193.50x = 37,528.29 × 15,861.20
  4. Step 4: Simplify right side
    27,193.50x = 595,243,525.71
  5. Step 5: Solve for x
    x = 595,243,525.71/27,193.50
  6. Step 6: Final answer
    x = 21,889.18

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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.