Home / 28,890.10-43,367.55-22,345.30

Finding the Fourth Proportional to 28,890.10, 43,367.55 and 22,345.30

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Solution

The fourth proportional to 28,890.10, 43,367.55 and 22,345.30 is: 33,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.10 : 43,367.55 = 22,345.30 : x
  2. Step 2: Convert to fraction form
    28,890.10/43,367.55 = 22,345.30/x
  3. Step 3: Cross multiply
    28,890.10x = 43,367.55 × 22,345.30
  4. Step 4: Simplify right side
    28,890.10x = 969,060,915.02
  5. Step 5: Solve for x
    x = 969,060,915.02/28,890.10
  6. Step 6: Final answer
    x = 33,543.01

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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.