Home / 23,917.83-33,015.63-20,547.12

Finding the Fourth Proportional to 23,917.83, 33,015.63 and 20,547.12

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Solution

The fourth proportional to 23,917.83, 33,015.63 and 20,547.12 is: 28,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,917.83 : 33,015.63 = 20,547.12 : x
  2. Step 2: Convert to fraction form
    23,917.83/33,015.63 = 20,547.12/x
  3. Step 3: Cross multiply
    23,917.83x = 33,015.63 × 20,547.12
  4. Step 4: Simplify right side
    23,917.83x = 678,376,111.49
  5. Step 5: Solve for x
    x = 678,376,111.49/23,917.83
  6. Step 6: Final answer
    x = 28,362.78

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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.