Home / 23,148.48-31,945.08-12,538.32

Finding the Fourth Proportional to 23,148.48, 31,945.08 and 12,538.32

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Solution

The fourth proportional to 23,148.48, 31,945.08 and 12,538.32 is: 17,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.48 : 31,945.08 = 12,538.32 : x
  2. Step 2: Convert to fraction form
    23,148.48/31,945.08 = 12,538.32/x
  3. Step 3: Cross multiply
    23,148.48x = 31,945.08 × 12,538.32
  4. Step 4: Simplify right side
    23,148.48x = 400,537,635.47
  5. Step 5: Solve for x
    x = 400,537,635.47/23,148.48
  6. Step 6: Final answer
    x = 17,302.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.