Home / 19,028.32-26,259.60-10,644.64

Finding the Fourth Proportional to 19,028.32, 26,259.60 and 10,644.64

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Solution

The fourth proportional to 19,028.32, 26,259.60 and 10,644.64 is: 14,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.32 : 26,259.60 = 10,644.64 : x
  2. Step 2: Convert to fraction form
    19,028.32/26,259.60 = 10,644.64/x
  3. Step 3: Cross multiply
    19,028.32x = 26,259.60 × 10,644.64
  4. Step 4: Simplify right side
    19,028.32x = 279,523,988.54
  5. Step 5: Solve for x
    x = 279,523,988.54/19,028.32
  6. Step 6: Final answer
    x = 14,689.89

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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.