Home / 27,038.72-37,309.44-15,864.32

Finding the Fourth Proportional to 27,038.72, 37,309.44 and 15,864.32

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Solution

The fourth proportional to 27,038.72, 37,309.44 and 15,864.32 is: 21,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.72 : 37,309.44 = 15,864.32 : x
  2. Step 2: Convert to fraction form
    27,038.72/37,309.44 = 15,864.32/x
  3. Step 3: Cross multiply
    27,038.72x = 37,309.44 × 15,864.32
  4. Step 4: Simplify right side
    27,038.72x = 591,888,895.18
  5. Step 5: Solve for x
    x = 591,888,895.18/27,038.72
  6. Step 6: Final answer
    x = 21,890.42

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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.