Home / 28,999.76-40,038.95-22,273.37

Finding the Fourth Proportional to 28,999.76, 40,038.95 and 22,273.37

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Solution

The fourth proportional to 28,999.76, 40,038.95 and 22,273.37 is: 30,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.76 : 40,038.95 = 22,273.37 : x
  2. Step 2: Convert to fraction form
    28,999.76/40,038.95 = 22,273.37/x
  3. Step 3: Cross multiply
    28,999.76x = 40,038.95 × 22,273.37
  4. Step 4: Simplify right side
    28,999.76x = 891,802,203.25
  5. Step 5: Solve for x
    x = 891,802,203.25/28,999.76
  6. Step 6: Final answer
    x = 30,752.05

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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.