Home / 19,280.22-26,641.34-15,041.89

Finding the Fourth Proportional to 19,280.22, 26,641.34 and 15,041.89

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Solution

The fourth proportional to 19,280.22, 26,641.34 and 15,041.89 is: 20,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.22 : 26,641.34 = 15,041.89 : x
  2. Step 2: Convert to fraction form
    19,280.22/26,641.34 = 15,041.89/x
  3. Step 3: Cross multiply
    19,280.22x = 26,641.34 × 15,041.89
  4. Step 4: Simplify right side
    19,280.22x = 400,736,105.73
  5. Step 5: Solve for x
    x = 400,736,105.73/19,280.22
  6. Step 6: Final answer
    x = 20,784.83

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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.