Home / 52,788.47-72,848.10-28,915.53

Finding the Fourth Proportional to 52,788.47, 72,848.10 and 28,915.53

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Solution

The fourth proportional to 52,788.47, 72,848.10 and 28,915.53 is: 39,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.47 : 72,848.10 = 28,915.53 : x
  2. Step 2: Convert to fraction form
    52,788.47/72,848.10 = 28,915.53/x
  3. Step 3: Cross multiply
    52,788.47x = 72,848.10 × 28,915.53
  4. Step 4: Simplify right side
    52,788.47x = 2,106,441,420.99
  5. Step 5: Solve for x
    x = 2,106,441,420.99/52,788.47
  6. Step 6: Final answer
    x = 39,903.44

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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.