Home / 26,643.64-36,769.32-15,312.96

Finding the Fourth Proportional to 26,643.64, 36,769.32 and 15,312.96

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Solution

The fourth proportional to 26,643.64, 36,769.32 and 15,312.96 is: 21,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.64 : 36,769.32 = 15,312.96 : x
  2. Step 2: Convert to fraction form
    26,643.64/36,769.32 = 15,312.96/x
  3. Step 3: Cross multiply
    26,643.64x = 36,769.32 × 15,312.96
  4. Step 4: Simplify right side
    26,643.64x = 563,047,126.39
  5. Step 5: Solve for x
    x = 563,047,126.39/26,643.64
  6. Step 6: Final answer
    x = 21,132.52

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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.