Home / 20,913.93-28,846.67-17,748.32

Finding the Fourth Proportional to 20,913.93, 28,846.67 and 17,748.32

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Solution

The fourth proportional to 20,913.93, 28,846.67 and 17,748.32 is: 24,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,913.93 : 28,846.67 = 17,748.32 : x
  2. Step 2: Convert to fraction form
    20,913.93/28,846.67 = 17,748.32/x
  3. Step 3: Cross multiply
    20,913.93x = 28,846.67 × 17,748.32
  4. Step 4: Simplify right side
    20,913.93x = 511,979,697.12
  5. Step 5: Solve for x
    x = 511,979,697.12/20,913.93
  6. Step 6: Final answer
    x = 24,480.32

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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.