Home / 23,280.48-32,127.20-12,670.22

Finding the Fourth Proportional to 23,280.48, 32,127.20 and 12,670.22

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Solution

The fourth proportional to 23,280.48, 32,127.20 and 12,670.22 is: 17,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.48 : 32,127.20 = 12,670.22 : x
  2. Step 2: Convert to fraction form
    23,280.48/32,127.20 = 12,670.22/x
  3. Step 3: Cross multiply
    23,280.48x = 32,127.20 × 12,670.22
  4. Step 4: Simplify right side
    23,280.48x = 407,058,468.00
  5. Step 5: Solve for x
    x = 407,058,468.00/23,280.48
  6. Step 6: Final answer
    x = 17,484.97

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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.