Home / 22,848.48-31,528.85-13,288.46

Finding the Fourth Proportional to 22,848.48, 31,528.85 and 13,288.46

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Solution

The fourth proportional to 22,848.48, 31,528.85 and 13,288.46 is: 18,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,848.48 : 31,528.85 = 13,288.46 : x
  2. Step 2: Convert to fraction form
    22,848.48/31,528.85 = 13,288.46/x
  3. Step 3: Cross multiply
    22,848.48x = 31,528.85 × 13,288.46
  4. Step 4: Simplify right side
    22,848.48x = 418,969,637.98
  5. Step 5: Solve for x
    x = 418,969,637.98/22,848.48
  6. Step 6: Final answer
    x = 18,336.87

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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.