Home / 20,464.02-28,290.67-20,276.91

Finding the Fourth Proportional to 20,464.02, 28,290.67 and 20,276.91

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Solution

The fourth proportional to 20,464.02, 28,290.67 and 20,276.91 is: 28,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.02 : 28,290.67 = 20,276.91 : x
  2. Step 2: Convert to fraction form
    20,464.02/28,290.67 = 20,276.91/x
  3. Step 3: Cross multiply
    20,464.02x = 28,290.67 × 20,276.91
  4. Step 4: Simplify right side
    20,464.02x = 573,647,318.74
  5. Step 5: Solve for x
    x = 573,647,318.74/20,464.02
  6. Step 6: Final answer
    x = 28,032.00

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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.