Home / 19,929.02-27,501.69-10,977.35

Finding the Fourth Proportional to 19,929.02, 27,501.69 and 10,977.35

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Solution

The fourth proportional to 19,929.02, 27,501.69 and 10,977.35 is: 15,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.02 : 27,501.69 = 10,977.35 : x
  2. Step 2: Convert to fraction form
    19,929.02/27,501.69 = 10,977.35/x
  3. Step 3: Cross multiply
    19,929.02x = 27,501.69 × 10,977.35
  4. Step 4: Simplify right side
    19,929.02x = 301,895,539.21
  5. Step 5: Solve for x
    x = 301,895,539.21/19,929.02
  6. Step 6: Final answer
    x = 15,148.54

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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.