Home / 52,273.40-72,137.64-28,400.07

Finding the Fourth Proportional to 52,273.40, 72,137.64 and 28,400.07

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Solution

The fourth proportional to 52,273.40, 72,137.64 and 28,400.07 is: 39,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,273.40 : 72,137.64 = 28,400.07 : x
  2. Step 2: Convert to fraction form
    52,273.40/72,137.64 = 28,400.07/x
  3. Step 3: Cross multiply
    52,273.40x = 72,137.64 × 28,400.07
  4. Step 4: Simplify right side
    52,273.40x = 2,048,714,025.63
  5. Step 5: Solve for x
    x = 2,048,714,025.63/52,273.40
  6. Step 6: Final answer
    x = 39,192.28

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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.