Home / 28,153.60-38,849.32-19,060.46

Finding the Fourth Proportional to 28,153.60, 38,849.32 and 19,060.46

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Solution

The fourth proportional to 28,153.60, 38,849.32 and 19,060.46 is: 26,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.60 : 38,849.32 = 19,060.46 : x
  2. Step 2: Convert to fraction form
    28,153.60/38,849.32 = 19,060.46/x
  3. Step 3: Cross multiply
    28,153.60x = 38,849.32 × 19,060.46
  4. Step 4: Simplify right side
    28,153.60x = 740,485,814.58
  5. Step 5: Solve for x
    x = 740,485,814.58/28,153.60
  6. Step 6: Final answer
    x = 26,301.64

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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.