Home / 40,208.72-55,507.08-26,802.32

Finding the Fourth Proportional to 40,208.72, 55,507.08 and 26,802.32

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Solution

The fourth proportional to 40,208.72, 55,507.08 and 26,802.32 is: 36,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.72 : 55,507.08 = 26,802.32 : x
  2. Step 2: Convert to fraction form
    40,208.72/55,507.08 = 26,802.32/x
  3. Step 3: Cross multiply
    40,208.72x = 55,507.08 × 26,802.32
  4. Step 4: Simplify right side
    40,208.72x = 1,487,718,520.43
  5. Step 5: Solve for x
    x = 1,487,718,520.43/40,208.72
  6. Step 6: Final answer
    x = 36,999.90

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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.