Home / 27,623.16-38,118.95-16,886.01

Finding the Fourth Proportional to 27,623.16, 38,118.95 and 16,886.01

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Solution

The fourth proportional to 27,623.16, 38,118.95 and 16,886.01 is: 23,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.16 : 38,118.95 = 16,886.01 : x
  2. Step 2: Convert to fraction form
    27,623.16/38,118.95 = 16,886.01/x
  3. Step 3: Cross multiply
    27,623.16x = 38,118.95 × 16,886.01
  4. Step 4: Simplify right side
    27,623.16x = 643,677,092.73
  5. Step 5: Solve for x
    x = 643,677,092.73/27,623.16
  6. Step 6: Final answer
    x = 23,302.08

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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.