Home / 28,999.51-40,038.60-22,273.12

Finding the Fourth Proportional to 28,999.51, 40,038.60 and 22,273.12

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Solution

The fourth proportional to 28,999.51, 40,038.60 and 22,273.12 is: 30,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.51 : 40,038.60 = 22,273.12 : x
  2. Step 2: Convert to fraction form
    28,999.51/40,038.60 = 22,273.12/x
  3. Step 3: Cross multiply
    28,999.51x = 40,038.60 × 22,273.12
  4. Step 4: Simplify right side
    28,999.51x = 891,784,542.43
  5. Step 5: Solve for x
    x = 891,784,542.43/28,999.51
  6. Step 6: Final answer
    x = 30,751.71

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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.