Home / 28,707.60-42,850.16-26,653.44

Finding the Fourth Proportional to 28,707.60, 42,850.16 and 26,653.44

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Solution

The fourth proportional to 28,707.60, 42,850.16 and 26,653.44 is: 39,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.60 : 42,850.16 = 26,653.44 : x
  2. Step 2: Convert to fraction form
    28,707.60/42,850.16 = 26,653.44/x
  3. Step 3: Cross multiply
    28,707.60x = 42,850.16 × 26,653.44
  4. Step 4: Simplify right side
    28,707.60x = 1,142,104,168.55
  5. Step 5: Solve for x
    x = 1,142,104,168.55/28,707.60
  6. Step 6: Final answer
    x = 39,784.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.