Home / 17,985.65-26,797.64-16,979.63

Finding the Fourth Proportional to 17,985.65, 26,797.64 and 16,979.63

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Solution

The fourth proportional to 17,985.65, 26,797.64 and 16,979.63 is: 25,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.65 : 26,797.64 = 16,979.63 : x
  2. Step 2: Convert to fraction form
    17,985.65/26,797.64 = 16,979.63/x
  3. Step 3: Cross multiply
    17,985.65x = 26,797.64 × 16,979.63
  4. Step 4: Simplify right side
    17,985.65x = 455,013,793.19
  5. Step 5: Solve for x
    x = 455,013,793.19/17,985.65
  6. Step 6: Final answer
    x = 25,298.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.