Home / 27,038.37-37,313.16-15,102.21

Finding the Fourth Proportional to 27,038.37, 37,313.16 and 15,102.21

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Solution

The fourth proportional to 27,038.37, 37,313.16 and 15,102.21 is: 20,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.37 : 37,313.16 = 15,102.21 : x
  2. Step 2: Convert to fraction form
    27,038.37/37,313.16 = 15,102.21/x
  3. Step 3: Cross multiply
    27,038.37x = 37,313.16 × 15,102.21
  4. Step 4: Simplify right side
    27,038.37x = 563,511,178.08
  5. Step 5: Solve for x
    x = 563,511,178.08/27,038.37
  6. Step 6: Final answer
    x = 20,841.17

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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.