Home / 28,365.37-42,544.81-7,590.49

Finding the Fourth Proportional to 28,365.37, 42,544.81 and 7,590.49

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Solution

The fourth proportional to 28,365.37, 42,544.81 and 7,590.49 is: 11,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.37 : 42,544.81 = 7,590.49 : x
  2. Step 2: Convert to fraction form
    28,365.37/42,544.81 = 7,590.49/x
  3. Step 3: Cross multiply
    28,365.37x = 42,544.81 × 7,590.49
  4. Step 4: Simplify right side
    28,365.37x = 322,935,954.86
  5. Step 5: Solve for x
    x = 322,935,954.86/28,365.37
  6. Step 6: Final answer
    x = 11,384.87

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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.