Home / 28,964.80-43,254.44-28,651.68

Finding the Fourth Proportional to 28,964.80, 43,254.44 and 28,651.68

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Solution

The fourth proportional to 28,964.80, 43,254.44 and 28,651.68 is: 42,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.80 : 43,254.44 = 28,651.68 : x
  2. Step 2: Convert to fraction form
    28,964.80/43,254.44 = 28,651.68/x
  3. Step 3: Cross multiply
    28,964.80x = 43,254.44 × 28,651.68
  4. Step 4: Simplify right side
    28,964.80x = 1,239,312,373.46
  5. Step 5: Solve for x
    x = 1,239,312,373.46/28,964.80
  6. Step 6: Final answer
    x = 42,786.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.