Home / 52,270.84-72,133.40-28,397.28

Finding the Fourth Proportional to 52,270.84, 72,133.40 and 28,397.28

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Solution

The fourth proportional to 52,270.84, 72,133.40 and 28,397.28 is: 39,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,270.84 : 72,133.40 = 28,397.28 : x
  2. Step 2: Convert to fraction form
    52,270.84/72,133.40 = 28,397.28/x
  3. Step 3: Cross multiply
    52,270.84x = 72,133.40 × 28,397.28
  4. Step 4: Simplify right side
    52,270.84x = 2,048,392,357.15
  5. Step 5: Solve for x
    x = 2,048,392,357.15/52,270.84
  6. Step 6: Final answer
    x = 39,188.05

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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.