Home / 20,541.06-28,346.60-11,588.37

Finding the Fourth Proportional to 20,541.06, 28,346.60 and 11,588.37

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Solution

The fourth proportional to 20,541.06, 28,346.60 and 11,588.37 is: 15,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.06 : 28,346.60 = 11,588.37 : x
  2. Step 2: Convert to fraction form
    20,541.06/28,346.60 = 11,588.37/x
  3. Step 3: Cross multiply
    20,541.06x = 28,346.60 × 11,588.37
  4. Step 4: Simplify right side
    20,541.06x = 328,490,730.23
  5. Step 5: Solve for x
    x = 328,490,730.23/20,541.06
  6. Step 6: Final answer
    x = 15,991.91

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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.