Home / 28,554.24-42,802.20-14,488.32

Finding the Fourth Proportional to 28,554.24, 42,802.20 and 14,488.32

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Solution

The fourth proportional to 28,554.24, 42,802.20 and 14,488.32 is: 21,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.24 : 42,802.20 = 14,488.32 : x
  2. Step 2: Convert to fraction form
    28,554.24/42,802.20 = 14,488.32/x
  3. Step 3: Cross multiply
    28,554.24x = 42,802.20 × 14,488.32
  4. Step 4: Simplify right side
    28,554.24x = 620,131,970.30
  5. Step 5: Solve for x
    x = 620,131,970.30/28,554.24
  6. Step 6: Final answer
    x = 21,717.68

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1.5x scale

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.