Home / 42,682.32-63,898.80-28,466.64

Finding the Fourth Proportional to 42,682.32, 63,898.80 and 28,466.64

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Solution

The fourth proportional to 42,682.32, 63,898.80 and 28,466.64 is: 42,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,682.32 : 63,898.80 = 28,466.64 : x
  2. Step 2: Convert to fraction form
    42,682.32/63,898.80 = 28,466.64/x
  3. Step 3: Cross multiply
    42,682.32x = 63,898.80 × 28,466.64
  4. Step 4: Simplify right side
    42,682.32x = 1,818,984,136.03
  5. Step 5: Solve for x
    x = 1,818,984,136.03/42,682.32
  6. Step 6: Final answer
    x = 42,616.81

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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.