Home / 28,276.56-38,991.24-17,662.32

Finding the Fourth Proportional to 28,276.56, 38,991.24 and 17,662.32

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Solution

The fourth proportional to 28,276.56, 38,991.24 and 17,662.32 is: 24,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.56 : 38,991.24 = 17,662.32 : x
  2. Step 2: Convert to fraction form
    28,276.56/38,991.24 = 17,662.32/x
  3. Step 3: Cross multiply
    28,276.56x = 38,991.24 × 17,662.32
  4. Step 4: Simplify right side
    28,276.56x = 688,675,758.08
  5. Step 5: Solve for x
    x = 688,675,758.08/28,276.56
  6. Step 6: Final answer
    x = 24,355.00

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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.