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Finding the Fourth Proportional to 30,009.26, 45,027.08 and 15,965.98

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Solution

The fourth proportional to 30,009.26, 45,027.08 and 15,965.98 is: 23,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.26 : 45,027.08 = 15,965.98 : x
  2. Step 2: Convert to fraction form
    30,009.26/45,027.08 = 15,965.98/x
  3. Step 3: Cross multiply
    30,009.26x = 45,027.08 × 15,965.98
  4. Step 4: Simplify right side
    30,009.26x = 718,901,495.06
  5. Step 5: Solve for x
    x = 718,901,495.06/30,009.26
  6. Step 6: Final answer
    x = 23,955.99

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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.