Home / 28,538.04-42,796.41-9,812.77

Finding the Fourth Proportional to 28,538.04, 42,796.41 and 9,812.77

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Solution

The fourth proportional to 28,538.04, 42,796.41 and 9,812.77 is: 14,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.04 : 42,796.41 = 9,812.77 : x
  2. Step 2: Convert to fraction form
    28,538.04/42,796.41 = 9,812.77/x
  3. Step 3: Cross multiply
    28,538.04x = 42,796.41 × 9,812.77
  4. Step 4: Simplify right side
    28,538.04x = 419,951,328.16
  5. Step 5: Solve for x
    x = 419,951,328.16/28,538.04
  6. Step 6: Final answer
    x = 14,715.49

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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.