Home / 23,089.07-31,860.08-12,877.71

Finding the Fourth Proportional to 23,089.07, 31,860.08 and 12,877.71

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Solution

The fourth proportional to 23,089.07, 31,860.08 and 12,877.71 is: 17,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,089.07 : 31,860.08 = 12,877.71 : x
  2. Step 2: Convert to fraction form
    23,089.07/31,860.08 = 12,877.71/x
  3. Step 3: Cross multiply
    23,089.07x = 31,860.08 × 12,877.71
  4. Step 4: Simplify right side
    23,089.07x = 410,284,806.43
  5. Step 5: Solve for x
    x = 410,284,806.43/23,089.07
  6. Step 6: Final answer
    x = 17,769.66

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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.