Home / 28,873.63-43,291.77-18,982.93

Finding the Fourth Proportional to 28,873.63, 43,291.77 and 18,982.93

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Solution

The fourth proportional to 28,873.63, 43,291.77 and 18,982.93 is: 28,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.63 : 43,291.77 = 18,982.93 : x
  2. Step 2: Convert to fraction form
    28,873.63/43,291.77 = 18,982.93/x
  3. Step 3: Cross multiply
    28,873.63x = 43,291.77 × 18,982.93
  4. Step 4: Simplify right side
    28,873.63x = 821,804,639.49
  5. Step 5: Solve for x
    x = 821,804,639.49/28,873.63
  6. Step 6: Final answer
    x = 28,462.12

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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.