Home / 27,803.67-38,349.14-17,721.69

Finding the Fourth Proportional to 27,803.67, 38,349.14 and 17,721.69

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Solution

The fourth proportional to 27,803.67, 38,349.14 and 17,721.69 is: 24,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.67 : 38,349.14 = 17,721.69 : x
  2. Step 2: Convert to fraction form
    27,803.67/38,349.14 = 17,721.69/x
  3. Step 3: Cross multiply
    27,803.67x = 38,349.14 × 17,721.69
  4. Step 4: Simplify right side
    27,803.67x = 679,611,482.24
  5. Step 5: Solve for x
    x = 679,611,482.24/27,803.67
  6. Step 6: Final answer
    x = 24,443.23

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Double scale
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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.