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Finding the Fourth Proportional to 18,411, 25,407.28 and 10,027.52

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Solution

The fourth proportional to 18,411, 25,407.28 and 10,027.52 is: 13,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411 : 25,407.28 = 10,027.52 : x
  2. Step 2: Convert to fraction form
    18,411/25,407.28 = 10,027.52/x
  3. Step 3: Cross multiply
    18,411x = 25,407.28 × 10,027.52
  4. Step 4: Simplify right side
    18,411x = 254,772,008.35
  5. Step 5: Solve for x
    x = 254,772,008.35/18,411
  6. Step 6: Final answer
    x = 13,838.03

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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.