Home / 27,555.96-38,024.10-15,616.74

Finding the Fourth Proportional to 27,555.96, 38,024.10 and 15,616.74

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Solution

The fourth proportional to 27,555.96, 38,024.10 and 15,616.74 is: 21,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.96 : 38,024.10 = 15,616.74 : x
  2. Step 2: Convert to fraction form
    27,555.96/38,024.10 = 15,616.74/x
  3. Step 3: Cross multiply
    27,555.96x = 38,024.10 × 15,616.74
  4. Step 4: Simplify right side
    27,555.96x = 593,812,483.43
  5. Step 5: Solve for x
    x = 593,812,483.43/27,555.96
  6. Step 6: Final answer
    x = 21,549.33

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1.5x scale

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.