Home / 29,688.60-40,971.20-16,261.14

Finding the Fourth Proportional to 29,688.60, 40,971.20 and 16,261.14

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Solution

The fourth proportional to 29,688.60, 40,971.20 and 16,261.14 is: 22,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.60 : 40,971.20 = 16,261.14 : x
  2. Step 2: Convert to fraction form
    29,688.60/40,971.20 = 16,261.14/x
  3. Step 3: Cross multiply
    29,688.60x = 40,971.20 × 16,261.14
  4. Step 4: Simplify right side
    29,688.60x = 666,238,419.17
  5. Step 5: Solve for x
    x = 666,238,419.17/29,688.60
  6. Step 6: Final answer
    x = 22,440.88

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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.