Home / 23,485.79-32,410.66-13,415.56

Finding the Fourth Proportional to 23,485.79, 32,410.66 and 13,415.56

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Solution

The fourth proportional to 23,485.79, 32,410.66 and 13,415.56 is: 18,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,485.79 : 32,410.66 = 13,415.56 : x
  2. Step 2: Convert to fraction form
    23,485.79/32,410.66 = 13,415.56/x
  3. Step 3: Cross multiply
    23,485.79x = 32,410.66 × 13,415.56
  4. Step 4: Simplify right side
    23,485.79x = 434,807,086.79
  5. Step 5: Solve for x
    x = 434,807,086.79/23,485.79
  6. Step 6: Final answer
    x = 18,513.62

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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.