Home / 27,307.16-37,687.50-15,372.84

Finding the Fourth Proportional to 27,307.16, 37,687.50 and 15,372.84

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Solution

The fourth proportional to 27,307.16, 37,687.50 and 15,372.84 is: 21,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.16 : 37,687.50 = 15,372.84 : x
  2. Step 2: Convert to fraction form
    27,307.16/37,687.50 = 15,372.84/x
  3. Step 3: Cross multiply
    27,307.16x = 37,687.50 × 15,372.84
  4. Step 4: Simplify right side
    27,307.16x = 579,363,907.50
  5. Step 5: Solve for x
    x = 579,363,907.50/27,307.16
  6. Step 6: Final answer
    x = 21,216.56

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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.