Home / 28,032.66-38,685.03-15,457.44

Finding the Fourth Proportional to 28,032.66, 38,685.03 and 15,457.44

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Solution

The fourth proportional to 28,032.66, 38,685.03 and 15,457.44 is: 21,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.66 : 38,685.03 = 15,457.44 : x
  2. Step 2: Convert to fraction form
    28,032.66/38,685.03 = 15,457.44/x
  3. Step 3: Cross multiply
    28,032.66x = 38,685.03 × 15,457.44
  4. Step 4: Simplify right side
    28,032.66x = 597,971,530.12
  5. Step 5: Solve for x
    x = 597,971,530.12/28,032.66
  6. Step 6: Final answer
    x = 21,331.24

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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.