Home / 22,652.56-31,258.98-12,580.48

Finding the Fourth Proportional to 22,652.56, 31,258.98 and 12,580.48

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Solution

The fourth proportional to 22,652.56, 31,258.98 and 12,580.48 is: 17,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,652.56 : 31,258.98 = 12,580.48 : x
  2. Step 2: Convert to fraction form
    22,652.56/31,258.98 = 12,580.48/x
  3. Step 3: Cross multiply
    22,652.56x = 31,258.98 × 12,580.48
  4. Step 4: Simplify right side
    22,652.56x = 393,252,972.71
  5. Step 5: Solve for x
    x = 393,252,972.71/22,652.56
  6. Step 6: Final answer
    x = 17,360.20

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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.