Home / 28,368.83-42,579.53-14,338.63

Finding the Fourth Proportional to 28,368.83, 42,579.53 and 14,338.63

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Solution

The fourth proportional to 28,368.83, 42,579.53 and 14,338.63 is: 21,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.83 : 42,579.53 = 14,338.63 : x
  2. Step 2: Convert to fraction form
    28,368.83/42,579.53 = 14,338.63/x
  3. Step 3: Cross multiply
    28,368.83x = 42,579.53 × 14,338.63
  4. Step 4: Simplify right side
    28,368.83x = 610,532,242.20
  5. Step 5: Solve for x
    x = 610,532,242.20/28,368.83
  6. Step 6: Final answer
    x = 21,521.24

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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.