Home / 52,484.49-72,428.58-28,610.64

Finding the Fourth Proportional to 52,484.49, 72,428.58 and 28,610.64

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Solution

The fourth proportional to 52,484.49, 72,428.58 and 28,610.64 is: 39,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,484.49 : 72,428.58 = 28,610.64 : x
  2. Step 2: Convert to fraction form
    52,484.49/72,428.58 = 28,610.64/x
  3. Step 3: Cross multiply
    52,484.49x = 72,428.58 × 28,610.64
  4. Step 4: Simplify right side
    52,484.49x = 2,072,228,028.09
  5. Step 5: Solve for x
    x = 2,072,228,028.09/52,484.49
  6. Step 6: Final answer
    x = 39,482.67

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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.