Home / 22,600.54-31,188.75-12,528.96

Finding the Fourth Proportional to 22,600.54, 31,188.75 and 12,528.96

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Solution

The fourth proportional to 22,600.54, 31,188.75 and 12,528.96 is: 17,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.54 : 31,188.75 = 12,528.96 : x
  2. Step 2: Convert to fraction form
    22,600.54/31,188.75 = 12,528.96/x
  3. Step 3: Cross multiply
    22,600.54x = 31,188.75 × 12,528.96
  4. Step 4: Simplify right side
    22,600.54x = 390,762,437.26
  5. Step 5: Solve for x
    x = 390,762,437.26/22,600.54
  6. Step 6: Final answer
    x = 17,289.96

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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.