Home / 28,405.56-39,197.34-16,465.08

Finding the Fourth Proportional to 28,405.56, 39,197.34 and 16,465.08

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Solution

The fourth proportional to 28,405.56, 39,197.34 and 16,465.08 is: 22,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405.56 : 39,197.34 = 16,465.08 : x
  2. Step 2: Convert to fraction form
    28,405.56/39,197.34 = 16,465.08/x
  3. Step 3: Cross multiply
    28,405.56x = 39,197.34 × 16,465.08
  4. Step 4: Simplify right side
    28,405.56x = 645,387,338.89
  5. Step 5: Solve for x
    x = 645,387,338.89/28,405.56
  6. Step 6: Final answer
    x = 22,720.46

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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.