Home / 28,550.40-42,819.36-9,577.71

Finding the Fourth Proportional to 28,550.40, 42,819.36 and 9,577.71

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Solution

The fourth proportional to 28,550.40, 42,819.36 and 9,577.71 is: 14,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.40 : 42,819.36 = 9,577.71 : x
  2. Step 2: Convert to fraction form
    28,550.40/42,819.36 = 9,577.71/x
  3. Step 3: Cross multiply
    28,550.40x = 42,819.36 × 9,577.71
  4. Step 4: Simplify right side
    28,550.40x = 410,111,412.47
  5. Step 5: Solve for x
    x = 410,111,412.47/28,550.40
  6. Step 6: Final answer
    x = 14,364.47

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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.