Home / 27,566.89-38,048.55-16,815.40

Finding the Fourth Proportional to 27,566.89, 38,048.55 and 16,815.40

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Solution

The fourth proportional to 27,566.89, 38,048.55 and 16,815.40 is: 23,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,566.89 : 38,048.55 = 16,815.40 : x
  2. Step 2: Convert to fraction form
    27,566.89/38,048.55 = 16,815.40/x
  3. Step 3: Cross multiply
    27,566.89x = 38,048.55 × 16,815.40
  4. Step 4: Simplify right side
    27,566.89x = 639,801,587.67
  5. Step 5: Solve for x
    x = 639,801,587.67/27,566.89
  6. Step 6: Final answer
    x = 23,209.06

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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.