Home / 28,323.09-42,458.10-9,590.02

Finding the Fourth Proportional to 28,323.09, 42,458.10 and 9,590.02

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Solution

The fourth proportional to 28,323.09, 42,458.10 and 9,590.02 is: 14,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.09 : 42,458.10 = 9,590.02 : x
  2. Step 2: Convert to fraction form
    28,323.09/42,458.10 = 9,590.02/x
  3. Step 3: Cross multiply
    28,323.09x = 42,458.10 × 9,590.02
  4. Step 4: Simplify right side
    28,323.09x = 407,174,028.16
  5. Step 5: Solve for x
    x = 407,174,028.16/28,323.09
  6. Step 6: Final answer
    x = 14,376.05

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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.