Home / 28,853.10-43,312.05-22,308.30

Finding the Fourth Proportional to 28,853.10, 43,312.05 and 22,308.30

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Solution

The fourth proportional to 28,853.10, 43,312.05 and 22,308.30 is: 33,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.10 : 43,312.05 = 22,308.30 : x
  2. Step 2: Convert to fraction form
    28,853.10/43,312.05 = 22,308.30/x
  3. Step 3: Cross multiply
    28,853.10x = 43,312.05 × 22,308.30
  4. Step 4: Simplify right side
    28,853.10x = 966,218,205.02
  5. Step 5: Solve for x
    x = 966,218,205.02/28,853.10
  6. Step 6: Final answer
    x = 33,487.50

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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.