Home / 28,308.44-39,066.13-15,562.16

Finding the Fourth Proportional to 28,308.44, 39,066.13 and 15,562.16

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Solution

The fourth proportional to 28,308.44, 39,066.13 and 15,562.16 is: 21,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.44 : 39,066.13 = 15,562.16 : x
  2. Step 2: Convert to fraction form
    28,308.44/39,066.13 = 15,562.16/x
  3. Step 3: Cross multiply
    28,308.44x = 39,066.13 × 15,562.16
  4. Step 4: Simplify right side
    28,308.44x = 607,953,131.40
  5. Step 5: Solve for x
    x = 607,953,131.40/28,308.44
  6. Step 6: Final answer
    x = 21,476.04

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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.