Home / 28,534.96-39,381.96-15,962.32

Finding the Fourth Proportional to 28,534.96, 39,381.96 and 15,962.32

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Solution

The fourth proportional to 28,534.96, 39,381.96 and 15,962.32 is: 22,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.96 : 39,381.96 = 15,962.32 : x
  2. Step 2: Convert to fraction form
    28,534.96/39,381.96 = 15,962.32/x
  3. Step 3: Cross multiply
    28,534.96x = 39,381.96 × 15,962.32
  4. Step 4: Simplify right side
    28,534.96x = 628,627,447.75
  5. Step 5: Solve for x
    x = 628,627,447.75/28,534.96
  6. Step 6: Final answer
    x = 22,030.08

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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.