Home / 31,354.84-43,270.50-17,928.28

Finding the Fourth Proportional to 31,354.84, 43,270.50 and 17,928.28

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Solution

The fourth proportional to 31,354.84, 43,270.50 and 17,928.28 is: 24,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.84 : 43,270.50 = 17,928.28 : x
  2. Step 2: Convert to fraction form
    31,354.84/43,270.50 = 17,928.28/x
  3. Step 3: Cross multiply
    31,354.84x = 43,270.50 × 17,928.28
  4. Step 4: Simplify right side
    31,354.84x = 775,765,639.74
  5. Step 5: Solve for x
    x = 775,765,639.74/31,354.84
  6. Step 6: Final answer
    x = 24,741.50

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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.