Home / 28,409.86-39,206.91-16,476.94

Finding the Fourth Proportional to 28,409.86, 39,206.91 and 16,476.94

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Solution

The fourth proportional to 28,409.86, 39,206.91 and 16,476.94 is: 22,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409.86 : 39,206.91 = 16,476.94 : x
  2. Step 2: Convert to fraction form
    28,409.86/39,206.91 = 16,476.94/x
  3. Step 3: Cross multiply
    28,409.86x = 39,206.91 × 16,476.94
  4. Step 4: Simplify right side
    28,409.86x = 646,009,903.66
  5. Step 5: Solve for x
    x = 646,009,903.66/28,409.86
  6. Step 6: Final answer
    x = 22,738.93

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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.