Home / 28,169.60-42,254.40-26,441.60

Finding the Fourth Proportional to 28,169.60, 42,254.40 and 26,441.60

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Solution

The fourth proportional to 28,169.60, 42,254.40 and 26,441.60 is: 39,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.60 : 42,254.40 = 26,441.60 : x
  2. Step 2: Convert to fraction form
    28,169.60/42,254.40 = 26,441.60/x
  3. Step 3: Cross multiply
    28,169.60x = 42,254.40 × 26,441.60
  4. Step 4: Simplify right side
    28,169.60x = 1,117,273,943.04
  5. Step 5: Solve for x
    x = 1,117,273,943.04/28,169.60
  6. Step 6: Final answer
    x = 39,662.40

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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.