Home / 28,728.64-39,555.52-26,104.16

Finding the Fourth Proportional to 28,728.64, 39,555.52 and 26,104.16

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Solution

The fourth proportional to 28,728.64, 39,555.52 and 26,104.16 is: 35,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.64 : 39,555.52 = 26,104.16 : x
  2. Step 2: Convert to fraction form
    28,728.64/39,555.52 = 26,104.16/x
  3. Step 3: Cross multiply
    28,728.64x = 39,555.52 × 26,104.16
  4. Step 4: Simplify right side
    28,728.64x = 1,032,563,622.96
  5. Step 5: Solve for x
    x = 1,032,563,622.96/28,728.64
  6. Step 6: Final answer
    x = 35,941.96

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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.