Home / 28,187.23-38,809.86-23,929.47

Finding the Fourth Proportional to 28,187.23, 38,809.86 and 23,929.47

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Solution

The fourth proportional to 28,187.23, 38,809.86 and 23,929.47 is: 32,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.23 : 38,809.86 = 23,929.47 : x
  2. Step 2: Convert to fraction form
    28,187.23/38,809.86 = 23,929.47/x
  3. Step 3: Cross multiply
    28,187.23x = 38,809.86 × 23,929.47
  4. Step 4: Simplify right side
    28,187.23x = 928,699,380.57
  5. Step 5: Solve for x
    x = 928,699,380.57/28,187.23
  6. Step 6: Final answer
    x = 32,947.52

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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.