Home / 19,456.46-28,999.61-18,349.19

Finding the Fourth Proportional to 19,456.46, 28,999.61 and 18,349.19

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Solution

The fourth proportional to 19,456.46, 28,999.61 and 18,349.19 is: 27,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.46 : 28,999.61 = 18,349.19 : x
  2. Step 2: Convert to fraction form
    19,456.46/28,999.61 = 18,349.19/x
  3. Step 3: Cross multiply
    19,456.46x = 28,999.61 × 18,349.19
  4. Step 4: Simplify right side
    19,456.46x = 532,119,353.82
  5. Step 5: Solve for x
    x = 532,119,353.82/19,456.46
  6. Step 6: Final answer
    x = 27,349.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.