Home / 27,565.52-38,048.94-20,501.51

Finding the Fourth Proportional to 27,565.52, 38,048.94 and 20,501.51

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Solution

The fourth proportional to 27,565.52, 38,048.94 and 20,501.51 is: 28,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.52 : 38,048.94 = 20,501.51 : x
  2. Step 2: Convert to fraction form
    27,565.52/38,048.94 = 20,501.51/x
  3. Step 3: Cross multiply
    27,565.52x = 38,048.94 × 20,501.51
  4. Step 4: Simplify right side
    27,565.52x = 780,060,533.65
  5. Step 5: Solve for x
    x = 780,060,533.65/27,565.52
  6. Step 6: Final answer
    x = 28,298.42

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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.