Home / 19,980.41-27,573.02-10,905.85

Finding the Fourth Proportional to 19,980.41, 27,573.02 and 10,905.85

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Solution

The fourth proportional to 19,980.41, 27,573.02 and 10,905.85 is: 15,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.41 : 27,573.02 = 10,905.85 : x
  2. Step 2: Convert to fraction form
    19,980.41/27,573.02 = 10,905.85/x
  3. Step 3: Cross multiply
    19,980.41x = 27,573.02 × 10,905.85
  4. Step 4: Simplify right side
    19,980.41x = 300,707,220.17
  5. Step 5: Solve for x
    x = 300,707,220.17/19,980.41
  6. Step 6: Final answer
    x = 15,050.10

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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.