Home / 27,130.52-37,438.08-15,800.10

Finding the Fourth Proportional to 27,130.52, 37,438.08 and 15,800.10

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Solution

The fourth proportional to 27,130.52, 37,438.08 and 15,800.10 is: 21,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.52 : 37,438.08 = 15,800.10 : x
  2. Step 2: Convert to fraction form
    27,130.52/37,438.08 = 15,800.10/x
  3. Step 3: Cross multiply
    27,130.52x = 37,438.08 × 15,800.10
  4. Step 4: Simplify right side
    27,130.52x = 591,525,407.81
  5. Step 5: Solve for x
    x = 591,525,407.81/27,130.52
  6. Step 6: Final answer
    x = 21,802.95

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Why These Related Problems?

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