Home / 28,405.17-39,199.29-16,475.59

Finding the Fourth Proportional to 28,405.17, 39,199.29 and 16,475.59

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Solution

The fourth proportional to 28,405.17, 39,199.29 and 16,475.59 is: 22,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405.17 : 39,199.29 = 16,475.59 : x
  2. Step 2: Convert to fraction form
    28,405.17/39,199.29 = 16,475.59/x
  3. Step 3: Cross multiply
    28,405.17x = 39,199.29 × 16,475.59
  4. Step 4: Simplify right side
    28,405.17x = 645,831,430.33
  5. Step 5: Solve for x
    x = 645,831,430.33/28,405.17
  6. Step 6: Final answer
    x = 22,736.40

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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.