Home / 27,248.20-37,603.86-15,315.28

Finding the Fourth Proportional to 27,248.20, 37,603.86 and 15,315.28

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Solution

The fourth proportional to 27,248.20, 37,603.86 and 15,315.28 is: 21,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.20 : 37,603.86 = 15,315.28 : x
  2. Step 2: Convert to fraction form
    27,248.20/37,603.86 = 15,315.28/x
  3. Step 3: Cross multiply
    27,248.20x = 37,603.86 × 15,315.28
  4. Step 4: Simplify right side
    27,248.20x = 575,913,644.98
  5. Step 5: Solve for x
    x = 575,913,644.98/27,248.20
  6. Step 6: Final answer
    x = 21,135.84

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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.