Home / 28,447.94-39,262.95-16,521.26

Finding the Fourth Proportional to 28,447.94, 39,262.95 and 16,521.26

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Solution

The fourth proportional to 28,447.94, 39,262.95 and 16,521.26 is: 22,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.94 : 39,262.95 = 16,521.26 : x
  2. Step 2: Convert to fraction form
    28,447.94/39,262.95 = 16,521.26/x
  3. Step 3: Cross multiply
    28,447.94x = 39,262.95 × 16,521.26
  4. Step 4: Simplify right side
    28,447.94x = 648,673,405.32
  5. Step 5: Solve for x
    x = 648,673,405.32/28,447.94
  6. Step 6: Final answer
    x = 22,802.12

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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.