Home / 27,885.98-38,468.40-17,803.83

Finding the Fourth Proportional to 27,885.98, 38,468.40 and 17,803.83

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Solution

The fourth proportional to 27,885.98, 38,468.40 and 17,803.83 is: 24,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.98 : 38,468.40 = 17,803.83 : x
  2. Step 2: Convert to fraction form
    27,885.98/38,468.40 = 17,803.83/x
  3. Step 3: Cross multiply
    27,885.98x = 38,468.40 × 17,803.83
  4. Step 4: Simplify right side
    27,885.98x = 684,884,642.95
  5. Step 5: Solve for x
    x = 684,884,642.95/27,885.98
  6. Step 6: Final answer
    x = 24,560.18

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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.