Home / 28,083.36-42,125.04-19,291.68

Finding the Fourth Proportional to 28,083.36, 42,125.04 and 19,291.68

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Solution

The fourth proportional to 28,083.36, 42,125.04 and 19,291.68 is: 28,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.36 : 42,125.04 = 19,291.68 : x
  2. Step 2: Convert to fraction form
    28,083.36/42,125.04 = 19,291.68/x
  3. Step 3: Cross multiply
    28,083.36x = 42,125.04 × 19,291.68
  4. Step 4: Simplify right side
    28,083.36x = 812,662,791.67
  5. Step 5: Solve for x
    x = 812,662,791.67/28,083.36
  6. Step 6: Final answer
    x = 28,937.52

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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.