Home / 28,441.81-42,669.59-10,672.62

Finding the Fourth Proportional to 28,441.81, 42,669.59 and 10,672.62

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Solution

The fourth proportional to 28,441.81, 42,669.59 and 10,672.62 is: 16,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.81 : 42,669.59 = 10,672.62 : x
  2. Step 2: Convert to fraction form
    28,441.81/42,669.59 = 10,672.62/x
  3. Step 3: Cross multiply
    28,441.81x = 42,669.59 × 10,672.62
  4. Step 4: Simplify right side
    28,441.81x = 455,396,106.25
  5. Step 5: Solve for x
    x = 455,396,106.25/28,441.81
  6. Step 6: Final answer
    x = 16,011.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.