Home / 27,835.56-38,413.20-15,088.76

Finding the Fourth Proportional to 27,835.56, 38,413.20 and 15,088.76

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Solution

The fourth proportional to 27,835.56, 38,413.20 and 15,088.76 is: 20,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.56 : 38,413.20 = 15,088.76 : x
  2. Step 2: Convert to fraction form
    27,835.56/38,413.20 = 15,088.76/x
  3. Step 3: Cross multiply
    27,835.56x = 38,413.20 × 15,088.76
  4. Step 4: Simplify right side
    27,835.56x = 579,607,555.63
  5. Step 5: Solve for x
    x = 579,607,555.63/27,835.56
  6. Step 6: Final answer
    x = 20,822.56

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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.