Home / 43,702.64-65,554.08-28,908.80

Finding the Fourth Proportional to 43,702.64, 65,554.08 and 28,908.80

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Solution

The fourth proportional to 43,702.64, 65,554.08 and 28,908.80 is: 43,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702.64 : 65,554.08 = 28,908.80 : x
  2. Step 2: Convert to fraction form
    43,702.64/65,554.08 = 28,908.80/x
  3. Step 3: Cross multiply
    43,702.64x = 65,554.08 × 28,908.80
  4. Step 4: Simplify right side
    43,702.64x = 1,895,089,787.90
  5. Step 5: Solve for x
    x = 1,895,089,787.90/43,702.64
  6. Step 6: Final answer
    x = 43,363.28

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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.