Home / 28,679.04-39,577.32-16,104.96

Finding the Fourth Proportional to 28,679.04, 39,577.32 and 16,104.96

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Solution

The fourth proportional to 28,679.04, 39,577.32 and 16,104.96 is: 22,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.04 : 39,577.32 = 16,104.96 : x
  2. Step 2: Convert to fraction form
    28,679.04/39,577.32 = 16,104.96/x
  3. Step 3: Cross multiply
    28,679.04x = 39,577.32 × 16,104.96
  4. Step 4: Simplify right side
    28,679.04x = 637,391,155.51
  5. Step 5: Solve for x
    x = 637,391,155.51/28,679.04
  6. Step 6: Final answer
    x = 22,224.98

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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.