Home / 27,215.52-37,554.52-15,280.16

Finding the Fourth Proportional to 27,215.52, 37,554.52 and 15,280.16

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Solution

The fourth proportional to 27,215.52, 37,554.52 and 15,280.16 is: 21,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.52 : 37,554.52 = 15,280.16 : x
  2. Step 2: Convert to fraction form
    27,215.52/37,554.52 = 15,280.16/x
  3. Step 3: Cross multiply
    27,215.52x = 37,554.52 × 15,280.16
  4. Step 4: Simplify right side
    27,215.52x = 573,839,074.32
  5. Step 5: Solve for x
    x = 573,839,074.32/27,215.52
  6. Step 6: Final answer
    x = 21,084.99

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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.