Home / 20,897.65-31,310.02-17,410.06

Finding the Fourth Proportional to 20,897.65, 31,310.02 and 17,410.06

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Solution

The fourth proportional to 20,897.65, 31,310.02 and 17,410.06 is: 26,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897.65 : 31,310.02 = 17,410.06 : x
  2. Step 2: Convert to fraction form
    20,897.65/31,310.02 = 17,410.06/x
  3. Step 3: Cross multiply
    20,897.65x = 31,310.02 × 17,410.06
  4. Step 4: Simplify right side
    20,897.65x = 545,109,326.80
  5. Step 5: Solve for x
    x = 545,109,326.80/20,897.65
  6. Step 6: Final answer
    x = 26,084.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.