Home / 27,830.61-38,393.03-26,756.69

Finding the Fourth Proportional to 27,830.61, 38,393.03 and 26,756.69

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Solution

The fourth proportional to 27,830.61, 38,393.03 and 26,756.69 is: 36,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.61 : 38,393.03 = 26,756.69 : x
  2. Step 2: Convert to fraction form
    27,830.61/38,393.03 = 26,756.69/x
  3. Step 3: Cross multiply
    27,830.61x = 38,393.03 × 26,756.69
  4. Step 4: Simplify right side
    27,830.61x = 1,027,270,076.12
  5. Step 5: Solve for x
    x = 1,027,270,076.12/27,830.61
  6. Step 6: Final answer
    x = 36,911.52

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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.