Home / 28,023.70-38,669.38-19,068.34

Finding the Fourth Proportional to 28,023.70, 38,669.38 and 19,068.34

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Solution

The fourth proportional to 28,023.70, 38,669.38 and 19,068.34 is: 26,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.70 : 38,669.38 = 19,068.34 : x
  2. Step 2: Convert to fraction form
    28,023.70/38,669.38 = 19,068.34/x
  3. Step 3: Cross multiply
    28,023.70x = 38,669.38 × 19,068.34
  4. Step 4: Simplify right side
    28,023.70x = 737,360,885.43
  5. Step 5: Solve for x
    x = 737,360,885.43/28,023.70
  6. Step 6: Final answer
    x = 26,312.05

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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.