Home / 31,187.84-43,084.76-26,988.80

Finding the Fourth Proportional to 31,187.84, 43,084.76 and 26,988.80

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Solution

The fourth proportional to 31,187.84, 43,084.76 and 26,988.80 is: 37,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.84 : 43,084.76 = 26,988.80 : x
  2. Step 2: Convert to fraction form
    31,187.84/43,084.76 = 26,988.80/x
  3. Step 3: Cross multiply
    31,187.84x = 43,084.76 × 26,988.80
  4. Step 4: Simplify right side
    31,187.84x = 1,162,805,970.69
  5. Step 5: Solve for x
    x = 1,162,805,970.69/31,187.84
  6. Step 6: Final answer
    x = 37,283.95

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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.