Home / 27,243.75-37,596.40-15,307.08

Finding the Fourth Proportional to 27,243.75, 37,596.40 and 15,307.08

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Solution

The fourth proportional to 27,243.75, 37,596.40 and 15,307.08 is: 21,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.75 : 37,596.40 = 15,307.08 : x
  2. Step 2: Convert to fraction form
    27,243.75/37,596.40 = 15,307.08/x
  3. Step 3: Cross multiply
    27,243.75x = 37,596.40 × 15,307.08
  4. Step 4: Simplify right side
    27,243.75x = 575,490,914.53
  5. Step 5: Solve for x
    x = 575,490,914.53/27,243.75
  6. Step 6: Final answer
    x = 21,123.78

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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.