Home / 27,328.16-40,985.76-7,607.36

Finding the Fourth Proportional to 27,328.16, 40,985.76 and 7,607.36

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Solution

The fourth proportional to 27,328.16, 40,985.76 and 7,607.36 is: 11,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.16 : 40,985.76 = 7,607.36 : x
  2. Step 2: Convert to fraction form
    27,328.16/40,985.76 = 7,607.36/x
  3. Step 3: Cross multiply
    27,328.16x = 40,985.76 × 7,607.36
  4. Step 4: Simplify right side
    27,328.16x = 311,793,431.19
  5. Step 5: Solve for x
    x = 311,793,431.19/27,328.16
  6. Step 6: Final answer
    x = 11,409.24

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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.