Home / 25,344.66-34,979.13-15,925.98

Finding the Fourth Proportional to 25,344.66, 34,979.13 and 15,925.98

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Solution

The fourth proportional to 25,344.66, 34,979.13 and 15,925.98 is: 21,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344.66 : 34,979.13 = 15,925.98 : x
  2. Step 2: Convert to fraction form
    25,344.66/34,979.13 = 15,925.98/x
  3. Step 3: Cross multiply
    25,344.66x = 34,979.13 × 15,925.98
  4. Step 4: Simplify right side
    25,344.66x = 557,076,924.80
  5. Step 5: Solve for x
    x = 557,076,924.80/25,344.66
  6. Step 6: Final answer
    x = 21,980.05

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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.