Home / 28,305.99-39,066.98-16,376.31

Finding the Fourth Proportional to 28,305.99, 39,066.98 and 16,376.31

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Solution

The fourth proportional to 28,305.99, 39,066.98 and 16,376.31 is: 22,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.99 : 39,066.98 = 16,376.31 : x
  2. Step 2: Convert to fraction form
    28,305.99/39,066.98 = 16,376.31/x
  3. Step 3: Cross multiply
    28,305.99x = 39,066.98 × 16,376.31
  4. Step 4: Simplify right side
    28,305.99x = 639,772,893.36
  5. Step 5: Solve for x
    x = 639,772,893.36/28,305.99
  6. Step 6: Final answer
    x = 22,602.03

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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.