Home / 28,048.63-38,705.65-17,438.08

Finding the Fourth Proportional to 28,048.63, 38,705.65 and 17,438.08

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Solution

The fourth proportional to 28,048.63, 38,705.65 and 17,438.08 is: 24,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.63 : 38,705.65 = 17,438.08 : x
  2. Step 2: Convert to fraction form
    28,048.63/38,705.65 = 17,438.08/x
  3. Step 3: Cross multiply
    28,048.63x = 38,705.65 × 17,438.08
  4. Step 4: Simplify right side
    28,048.63x = 674,952,221.15
  5. Step 5: Solve for x
    x = 674,952,221.15/28,048.63
  6. Step 6: Final answer
    x = 24,063.64

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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.