Home / 28,007.10-38,646.30-18,952.26

Finding the Fourth Proportional to 28,007.10, 38,646.30 and 18,952.26

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Solution

The fourth proportional to 28,007.10, 38,646.30 and 18,952.26 is: 26,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.10 : 38,646.30 = 18,952.26 : x
  2. Step 2: Convert to fraction form
    28,007.10/38,646.30 = 18,952.26/x
  3. Step 3: Cross multiply
    28,007.10x = 38,646.30 × 18,952.26
  4. Step 4: Simplify right side
    28,007.10x = 732,434,725.64
  5. Step 5: Solve for x
    x = 732,434,725.64/28,007.10
  6. Step 6: Final answer
    x = 26,151.75

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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.