Home / 28,101.06-42,100.83-17,566.07

Finding the Fourth Proportional to 28,101.06, 42,100.83 and 17,566.07

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Solution

The fourth proportional to 28,101.06, 42,100.83 and 17,566.07 is: 26,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.06 : 42,100.83 = 17,566.07 : x
  2. Step 2: Convert to fraction form
    28,101.06/42,100.83 = 17,566.07/x
  3. Step 3: Cross multiply
    28,101.06x = 42,100.83 × 17,566.07
  4. Step 4: Simplify right side
    28,101.06x = 739,545,916.33
  5. Step 5: Solve for x
    x = 739,545,916.33/28,101.06
  6. Step 6: Final answer
    x = 26,317.37

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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.