Home / 43,728.76-65,606.96-15,648.16

Finding the Fourth Proportional to 43,728.76, 65,606.96 and 15,648.16

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Solution

The fourth proportional to 43,728.76, 65,606.96 and 15,648.16 is: 23,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.76 : 65,606.96 = 15,648.16 : x
  2. Step 2: Convert to fraction form
    43,728.76/65,606.96 = 15,648.16/x
  3. Step 3: Cross multiply
    43,728.76x = 65,606.96 × 15,648.16
  4. Step 4: Simplify right side
    43,728.76x = 1,026,628,207.19
  5. Step 5: Solve for x
    x = 1,026,628,207.19/43,728.76
  6. Step 6: Final answer
    x = 23,477.19

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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.