Home / 20,632.22-28,485.70-14,182.59

Finding the Fourth Proportional to 20,632.22, 28,485.70 and 14,182.59

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Solution

The fourth proportional to 20,632.22, 28,485.70 and 14,182.59 is: 19,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.22 : 28,485.70 = 14,182.59 : x
  2. Step 2: Convert to fraction form
    20,632.22/28,485.70 = 14,182.59/x
  3. Step 3: Cross multiply
    20,632.22x = 28,485.70 × 14,182.59
  4. Step 4: Simplify right side
    20,632.22x = 404,000,826.08
  5. Step 5: Solve for x
    x = 404,000,826.08/20,632.22
  6. Step 6: Final answer
    x = 19,581.06

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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.