Home / 28,396.96-42,566.64-13,584.16

Finding the Fourth Proportional to 28,396.96, 42,566.64 and 13,584.16

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Solution

The fourth proportional to 28,396.96, 42,566.64 and 13,584.16 is: 20,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.96 : 42,566.64 = 13,584.16 : x
  2. Step 2: Convert to fraction form
    28,396.96/42,566.64 = 13,584.16/x
  3. Step 3: Cross multiply
    28,396.96x = 42,566.64 × 13,584.16
  4. Step 4: Simplify right side
    28,396.96x = 578,232,048.42
  5. Step 5: Solve for x
    x = 578,232,048.42/28,396.96
  6. Step 6: Final answer
    x = 20,362.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.