Home / 23,720.95-35,554.03-8,920.43

Finding the Fourth Proportional to 23,720.95, 35,554.03 and 8,920.43

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Solution

The fourth proportional to 23,720.95, 35,554.03 and 8,920.43 is: 13,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.95 : 35,554.03 = 8,920.43 : x
  2. Step 2: Convert to fraction form
    23,720.95/35,554.03 = 8,920.43/x
  3. Step 3: Cross multiply
    23,720.95x = 35,554.03 × 8,920.43
  4. Step 4: Simplify right side
    23,720.95x = 317,157,235.83
  5. Step 5: Solve for x
    x = 317,157,235.83/23,720.95
  6. Step 6: Final answer
    x = 13,370.34

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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.