Home / 27,485.14-37,927.20-15,545.74

Finding the Fourth Proportional to 27,485.14, 37,927.20 and 15,545.74

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Solution

The fourth proportional to 27,485.14, 37,927.20 and 15,545.74 is: 21,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.14 : 37,927.20 = 15,545.74 : x
  2. Step 2: Convert to fraction form
    27,485.14/37,927.20 = 15,545.74/x
  3. Step 3: Cross multiply
    27,485.14x = 37,927.20 × 15,545.74
  4. Step 4: Simplify right side
    27,485.14x = 589,606,390.13
  5. Step 5: Solve for x
    x = 589,606,390.13/27,485.14
  6. Step 6: Final answer
    x = 21,451.82

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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.