Home / 19,271.07-28,913.70-13,767.73

Finding the Fourth Proportional to 19,271.07, 28,913.70 and 13,767.73

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Solution

The fourth proportional to 19,271.07, 28,913.70 and 13,767.73 is: 20,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.07 : 28,913.70 = 13,767.73 : x
  2. Step 2: Convert to fraction form
    19,271.07/28,913.70 = 13,767.73/x
  3. Step 3: Cross multiply
    19,271.07x = 28,913.70 × 13,767.73
  4. Step 4: Simplify right side
    19,271.07x = 398,076,014.90
  5. Step 5: Solve for x
    x = 398,076,014.90/19,271.07
  6. Step 6: Final answer
    x = 20,656.66

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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.