Home / 27,518.16-37,976.40-15,582

Finding the Fourth Proportional to 27,518.16, 37,976.40 and 15,582

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Solution

The fourth proportional to 27,518.16, 37,976.40 and 15,582 is: 21,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.16 : 37,976.40 = 15,582 : x
  2. Step 2: Convert to fraction form
    27,518.16/37,976.40 = 15,582/x
  3. Step 3: Cross multiply
    27,518.16x = 37,976.40 × 15,582
  4. Step 4: Simplify right side
    27,518.16x = 591,748,264.80
  5. Step 5: Solve for x
    x = 591,748,264.80/27,518.16
  6. Step 6: Final answer
    x = 21,503.92

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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.