Home / 52,788.82-72,848.59-28,916.35

Finding the Fourth Proportional to 52,788.82, 72,848.59 and 28,916.35

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Solution

The fourth proportional to 52,788.82, 72,848.59 and 28,916.35 is: 39,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.82 : 72,848.59 = 28,916.35 : x
  2. Step 2: Convert to fraction form
    52,788.82/72,848.59 = 28,916.35/x
  3. Step 3: Cross multiply
    52,788.82x = 72,848.59 × 28,916.35
  4. Step 4: Simplify right side
    52,788.82x = 2,106,515,325.45
  5. Step 5: Solve for x
    x = 2,106,515,325.45/52,788.82
  6. Step 6: Final answer
    x = 39,904.57

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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.