Home / 22,900.14-31,607.55-14,928.48

Finding the Fourth Proportional to 22,900.14, 31,607.55 and 14,928.48

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Solution

The fourth proportional to 22,900.14, 31,607.55 and 14,928.48 is: 20,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.14 : 31,607.55 = 14,928.48 : x
  2. Step 2: Convert to fraction form
    22,900.14/31,607.55 = 14,928.48/x
  3. Step 3: Cross multiply
    22,900.14x = 31,607.55 × 14,928.48
  4. Step 4: Simplify right side
    22,900.14x = 471,852,678.02
  5. Step 5: Solve for x
    x = 471,852,678.02/22,900.14
  6. Step 6: Final answer
    x = 20,604.79

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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.