Home / 22,935.60-31,652.92-12,866.30

Finding the Fourth Proportional to 22,935.60, 31,652.92 and 12,866.30

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Solution

The fourth proportional to 22,935.60, 31,652.92 and 12,866.30 is: 17,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.60 : 31,652.92 = 12,866.30 : x
  2. Step 2: Convert to fraction form
    22,935.60/31,652.92 = 12,866.30/x
  3. Step 3: Cross multiply
    22,935.60x = 31,652.92 × 12,866.30
  4. Step 4: Simplify right side
    22,935.60x = 407,255,964.60
  5. Step 5: Solve for x
    x = 407,255,964.60/22,935.60
  6. Step 6: Final answer
    x = 17,756.50

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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.