Home / 28,887.54-39,873.69-18,798.18

Finding the Fourth Proportional to 28,887.54, 39,873.69 and 18,798.18

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Solution

The fourth proportional to 28,887.54, 39,873.69 and 18,798.18 is: 25,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.54 : 39,873.69 = 18,798.18 : x
  2. Step 2: Convert to fraction form
    28,887.54/39,873.69 = 18,798.18/x
  3. Step 3: Cross multiply
    28,887.54x = 39,873.69 × 18,798.18
  4. Step 4: Simplify right side
    28,887.54x = 749,552,801.88
  5. Step 5: Solve for x
    x = 749,552,801.88/28,887.54
  6. Step 6: Final answer
    x = 25,947.27

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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.