Home / 23,280.79-32,127.66-12,670.50

Finding the Fourth Proportional to 23,280.79, 32,127.66 and 12,670.50

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Solution

The fourth proportional to 23,280.79, 32,127.66 and 12,670.50 is: 17,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.79 : 32,127.66 = 12,670.50 : x
  2. Step 2: Convert to fraction form
    23,280.79/32,127.66 = 12,670.50/x
  3. Step 3: Cross multiply
    23,280.79x = 32,127.66 × 12,670.50
  4. Step 4: Simplify right side
    23,280.79x = 407,073,516.03
  5. Step 5: Solve for x
    x = 407,073,516.03/23,280.79
  6. Step 6: Final answer
    x = 17,485.38

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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.