Home / 28,991.20-40,017.36-26,453.92

Finding the Fourth Proportional to 28,991.20, 40,017.36 and 26,453.92

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Solution

The fourth proportional to 28,991.20, 40,017.36 and 26,453.92 is: 36,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.20 : 40,017.36 = 26,453.92 : x
  2. Step 2: Convert to fraction form
    28,991.20/40,017.36 = 26,453.92/x
  3. Step 3: Cross multiply
    28,991.20x = 40,017.36 × 26,453.92
  4. Step 4: Simplify right side
    28,991.20x = 1,058,616,040.05
  5. Step 5: Solve for x
    x = 1,058,616,040.05/28,991.20
  6. Step 6: Final answer
    x = 36,515.08

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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.