Home / 28,984.08-40,004.28-17,657.32

Finding the Fourth Proportional to 28,984.08, 40,004.28 and 17,657.32

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Solution

The fourth proportional to 28,984.08, 40,004.28 and 17,657.32 is: 24,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.08 : 40,004.28 = 17,657.32 : x
  2. Step 2: Convert to fraction form
    28,984.08/40,004.28 = 17,657.32/x
  3. Step 3: Cross multiply
    28,984.08x = 40,004.28 × 17,657.32
  4. Step 4: Simplify right side
    28,984.08x = 706,368,373.33
  5. Step 5: Solve for x
    x = 706,368,373.33/28,984.08
  6. Step 6: Final answer
    x = 24,370.91

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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.