Home / 27,565.92-38,040.08-15,630.32

Finding the Fourth Proportional to 27,565.92, 38,040.08 and 15,630.32

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Solution

The fourth proportional to 27,565.92, 38,040.08 and 15,630.32 is: 21,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.92 : 38,040.08 = 15,630.32 : x
  2. Step 2: Convert to fraction form
    27,565.92/38,040.08 = 15,630.32/x
  3. Step 3: Cross multiply
    27,565.92x = 38,040.08 × 15,630.32
  4. Step 4: Simplify right side
    27,565.92x = 594,578,623.23
  5. Step 5: Solve for x
    x = 594,578,623.23/27,565.92
  6. Step 6: Final answer
    x = 21,569.34

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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.