Home / 52,328.80-78,492.84-17,271.28

Finding the Fourth Proportional to 52,328.80, 78,492.84 and 17,271.28

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Solution

The fourth proportional to 52,328.80, 78,492.84 and 17,271.28 is: 25,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.80 : 78,492.84 = 17,271.28 : x
  2. Step 2: Convert to fraction form
    52,328.80/78,492.84 = 17,271.28/x
  3. Step 3: Cross multiply
    52,328.80x = 78,492.84 × 17,271.28
  4. Step 4: Simplify right side
    52,328.80x = 1,355,671,817.64
  5. Step 5: Solve for x
    x = 1,355,671,817.64/52,328.80
  6. Step 6: Final answer
    x = 25,906.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.