Home / 28,969.20-43,518.60-27,788.40

Finding the Fourth Proportional to 28,969.20, 43,518.60 and 27,788.40

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Solution

The fourth proportional to 28,969.20, 43,518.60 and 27,788.40 is: 41,744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.20 : 43,518.60 = 27,788.40 : x
  2. Step 2: Convert to fraction form
    28,969.20/43,518.60 = 27,788.40/x
  3. Step 3: Cross multiply
    28,969.20x = 43,518.60 × 27,788.40
  4. Step 4: Simplify right side
    28,969.20x = 1,209,312,264.24
  5. Step 5: Solve for x
    x = 1,209,312,264.24/28,969.20
  6. Step 6: Final answer
    x = 41,744.76

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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.