Home / 28,633.12-42,944.80-7,573.40

Finding the Fourth Proportional to 28,633.12, 42,944.80 and 7,573.40

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Solution

The fourth proportional to 28,633.12, 42,944.80 and 7,573.40 is: 11,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.12 : 42,944.80 = 7,573.40 : x
  2. Step 2: Convert to fraction form
    28,633.12/42,944.80 = 7,573.40/x
  3. Step 3: Cross multiply
    28,633.12x = 42,944.80 × 7,573.40
  4. Step 4: Simplify right side
    28,633.12x = 325,238,148.32
  5. Step 5: Solve for x
    x = 325,238,148.32/28,633.12
  6. Step 6: Final answer
    x = 11,358.81

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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.