Home / 28,940.59-43,483.53-18,415.18

Finding the Fourth Proportional to 28,940.59, 43,483.53 and 18,415.18

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Solution

The fourth proportional to 28,940.59, 43,483.53 and 18,415.18 is: 27,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.59 : 43,483.53 = 18,415.18 : x
  2. Step 2: Convert to fraction form
    28,940.59/43,483.53 = 18,415.18/x
  3. Step 3: Cross multiply
    28,940.59x = 43,483.53 × 18,415.18
  4. Step 4: Simplify right side
    28,940.59x = 800,757,155.40
  5. Step 5: Solve for x
    x = 800,757,155.40/28,940.59
  6. Step 6: Final answer
    x = 27,669.00

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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.