Home / 28,973.51-39,974.09-16,224.77

Finding the Fourth Proportional to 28,973.51, 39,974.09 and 16,224.77

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Solution

The fourth proportional to 28,973.51, 39,974.09 and 16,224.77 is: 22,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.51 : 39,974.09 = 16,224.77 : x
  2. Step 2: Convert to fraction form
    28,973.51/39,974.09 = 16,224.77/x
  3. Step 3: Cross multiply
    28,973.51x = 39,974.09 × 16,224.77
  4. Step 4: Simplify right side
    28,973.51x = 648,570,335.09
  5. Step 5: Solve for x
    x = 648,570,335.09/28,973.51
  6. Step 6: Final answer
    x = 22,384.94

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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.