Home / 38,457.20-57,623.70-21,767.60

Finding the Fourth Proportional to 38,457.20, 57,623.70 and 21,767.60

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Solution

The fourth proportional to 38,457.20, 57,623.70 and 21,767.60 is: 32,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,457.20 : 57,623.70 = 21,767.60 : x
  2. Step 2: Convert to fraction form
    38,457.20/57,623.70 = 21,767.60/x
  3. Step 3: Cross multiply
    38,457.20x = 57,623.70 × 21,767.60
  4. Step 4: Simplify right side
    38,457.20x = 1,254,329,652.12
  5. Step 5: Solve for x
    x = 1,254,329,652.12/38,457.20
  6. Step 6: Final answer
    x = 32,616.25

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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.