Home / 28,596.70-42,911.91-11,955.45

Finding the Fourth Proportional to 28,596.70, 42,911.91 and 11,955.45

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Solution

The fourth proportional to 28,596.70, 42,911.91 and 11,955.45 is: 17,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.70 : 42,911.91 = 11,955.45 : x
  2. Step 2: Convert to fraction form
    28,596.70/42,911.91 = 11,955.45/x
  3. Step 3: Cross multiply
    28,596.70x = 42,911.91 × 11,955.45
  4. Step 4: Simplify right side
    28,596.70x = 513,031,194.41
  5. Step 5: Solve for x
    x = 513,031,194.41/28,596.70
  6. Step 6: Final answer
    x = 17,940.22

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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.