Home / 27,623.08-38,118.78-16,885.93

Finding the Fourth Proportional to 27,623.08, 38,118.78 and 16,885.93

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Solution

The fourth proportional to 27,623.08, 38,118.78 and 16,885.93 is: 23,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.08 : 38,118.78 = 16,885.93 : x
  2. Step 2: Convert to fraction form
    27,623.08/38,118.78 = 16,885.93/x
  3. Step 3: Cross multiply
    27,623.08x = 38,118.78 × 16,885.93
  4. Step 4: Simplify right side
    27,623.08x = 643,670,966.34
  5. Step 5: Solve for x
    x = 643,670,966.34/27,623.08
  6. Step 6: Final answer
    x = 23,301.93

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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.