Home / 20,458.06-28,235.02-17,095.56

Finding the Fourth Proportional to 20,458.06, 28,235.02 and 17,095.56

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Solution

The fourth proportional to 20,458.06, 28,235.02 and 17,095.56 is: 23,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.06 : 28,235.02 = 17,095.56 : x
  2. Step 2: Convert to fraction form
    20,458.06/28,235.02 = 17,095.56/x
  3. Step 3: Cross multiply
    20,458.06x = 28,235.02 × 17,095.56
  4. Step 4: Simplify right side
    20,458.06x = 482,693,478.51
  5. Step 5: Solve for x
    x = 482,693,478.51/20,458.06
  6. Step 6: Final answer
    x = 23,594.29

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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.