Home / 52,271.96-72,135.36-28,398.62

Finding the Fourth Proportional to 52,271.96, 72,135.36 and 28,398.62

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Solution

The fourth proportional to 52,271.96, 72,135.36 and 28,398.62 is: 39,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,271.96 : 72,135.36 = 28,398.62 : x
  2. Step 2: Convert to fraction form
    52,271.96/72,135.36 = 28,398.62/x
  3. Step 3: Cross multiply
    52,271.96x = 72,135.36 × 28,398.62
  4. Step 4: Simplify right side
    52,271.96x = 2,048,544,677.20
  5. Step 5: Solve for x
    x = 2,048,544,677.20/52,271.96
  6. Step 6: Final answer
    x = 39,190.13

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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.