Home / 28,954.14-43,436.68-9,973.72

Finding the Fourth Proportional to 28,954.14, 43,436.68 and 9,973.72

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Solution

The fourth proportional to 28,954.14, 43,436.68 and 9,973.72 is: 14,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.14 : 43,436.68 = 9,973.72 : x
  2. Step 2: Convert to fraction form
    28,954.14/43,436.68 = 9,973.72/x
  3. Step 3: Cross multiply
    28,954.14x = 43,436.68 × 9,973.72
  4. Step 4: Simplify right side
    28,954.14x = 433,225,284.05
  5. Step 5: Solve for x
    x = 433,225,284.05/28,954.14
  6. Step 6: Final answer
    x = 14,962.46

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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.