Home / 27,635.40-38,136.81-15,060.18

Finding the Fourth Proportional to 27,635.40, 38,136.81 and 15,060.18

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Solution

The fourth proportional to 27,635.40, 38,136.81 and 15,060.18 is: 20,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.40 : 38,136.81 = 15,060.18 : x
  2. Step 2: Convert to fraction form
    27,635.40/38,136.81 = 15,060.18/x
  3. Step 3: Cross multiply
    27,635.40x = 38,136.81 × 15,060.18
  4. Step 4: Simplify right side
    27,635.40x = 574,347,223.23
  5. Step 5: Solve for x
    x = 574,347,223.23/27,635.40
  6. Step 6: Final answer
    x = 20,783.03

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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.