Home / 28,341.48-42,496.56-11,459.28

Finding the Fourth Proportional to 28,341.48, 42,496.56 and 11,459.28

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Solution

The fourth proportional to 28,341.48, 42,496.56 and 11,459.28 is: 17,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.48 : 42,496.56 = 11,459.28 : x
  2. Step 2: Convert to fraction form
    28,341.48/42,496.56 = 11,459.28/x
  3. Step 3: Cross multiply
    28,341.48x = 42,496.56 × 11,459.28
  4. Step 4: Simplify right side
    28,341.48x = 486,979,980.08
  5. Step 5: Solve for x
    x = 486,979,980.08/28,341.48
  6. Step 6: Final answer
    x = 17,182.59

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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.