Home / 28,297.69-39,011.79-22,574.57

Finding the Fourth Proportional to 28,297.69, 39,011.79 and 22,574.57

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Solution

The fourth proportional to 28,297.69, 39,011.79 and 22,574.57 is: 31,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.69 : 39,011.79 = 22,574.57 : x
  2. Step 2: Convert to fraction form
    28,297.69/39,011.79 = 22,574.57/x
  3. Step 3: Cross multiply
    28,297.69x = 39,011.79 × 22,574.57
  4. Step 4: Simplify right side
    28,297.69x = 880,674,189.12
  5. Step 5: Solve for x
    x = 880,674,189.12/28,297.69
  6. Step 6: Final answer
    x = 31,121.77

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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.