Home / 28,495.19-42,748.70-14,270.99

Finding the Fourth Proportional to 28,495.19, 42,748.70 and 14,270.99

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Solution

The fourth proportional to 28,495.19, 42,748.70 and 14,270.99 is: 21,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.19 : 42,748.70 = 14,270.99 : x
  2. Step 2: Convert to fraction form
    28,495.19/42,748.70 = 14,270.99/x
  3. Step 3: Cross multiply
    28,495.19x = 42,748.70 × 14,270.99
  4. Step 4: Simplify right side
    28,495.19x = 610,065,985.11
  5. Step 5: Solve for x
    x = 610,065,985.11/28,495.19
  6. Step 6: Final answer
    x = 21,409.44

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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.