Home / 20,585.52-28,407.76-11,632.84

Finding the Fourth Proportional to 20,585.52, 28,407.76 and 11,632.84

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Solution

The fourth proportional to 20,585.52, 28,407.76 and 11,632.84 is: 16,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585.52 : 28,407.76 = 11,632.84 : x
  2. Step 2: Convert to fraction form
    20,585.52/28,407.76 = 11,632.84/x
  3. Step 3: Cross multiply
    20,585.52x = 28,407.76 × 11,632.84
  4. Step 4: Simplify right side
    20,585.52x = 330,462,926.84
  5. Step 5: Solve for x
    x = 330,462,926.84/20,585.52
  6. Step 6: Final answer
    x = 16,053.17

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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.