Home / 15,776.52-21,727.30-15,432.07

Finding the Fourth Proportional to 15,776.52, 21,727.30 and 15,432.07

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Solution

The fourth proportional to 15,776.52, 21,727.30 and 15,432.07 is: 21,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.52 : 21,727.30 = 15,432.07 : x
  2. Step 2: Convert to fraction form
    15,776.52/21,727.30 = 15,432.07/x
  3. Step 3: Cross multiply
    15,776.52x = 21,727.30 × 15,432.07
  4. Step 4: Simplify right side
    15,776.52x = 335,297,214.51
  5. Step 5: Solve for x
    x = 335,297,214.51/15,776.52
  6. Step 6: Final answer
    x = 21,252.93

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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.