Home / 28,864.10-43,328.55-22,319.30

Finding the Fourth Proportional to 28,864.10, 43,328.55 and 22,319.30

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Solution

The fourth proportional to 28,864.10, 43,328.55 and 22,319.30 is: 33,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.10 : 43,328.55 = 22,319.30 : x
  2. Step 2: Convert to fraction form
    28,864.10/43,328.55 = 22,319.30/x
  3. Step 3: Cross multiply
    28,864.10x = 43,328.55 × 22,319.30
  4. Step 4: Simplify right side
    28,864.10x = 967,062,906.02
  5. Step 5: Solve for x
    x = 967,062,906.02/28,864.10
  6. Step 6: Final answer
    x = 33,504.00

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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.