Home / 27,130.08-40,670.80-11,539.20

Finding the Fourth Proportional to 27,130.08, 40,670.80 and 11,539.20

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Solution

The fourth proportional to 27,130.08, 40,670.80 and 11,539.20 is: 17,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.08 : 40,670.80 = 11,539.20 : x
  2. Step 2: Convert to fraction form
    27,130.08/40,670.80 = 11,539.20/x
  3. Step 3: Cross multiply
    27,130.08x = 40,670.80 × 11,539.20
  4. Step 4: Simplify right side
    27,130.08x = 469,308,495.36
  5. Step 5: Solve for x
    x = 469,308,495.36/27,130.08
  6. Step 6: Final answer
    x = 17,298.46

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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.