Home / 15,927.90-21,922.47-14,027.06

Finding the Fourth Proportional to 15,927.90, 21,922.47 and 14,027.06

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Solution

The fourth proportional to 15,927.90, 21,922.47 and 14,027.06 is: 19,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.90 : 21,922.47 = 14,027.06 : x
  2. Step 2: Convert to fraction form
    15,927.90/21,922.47 = 14,027.06/x
  3. Step 3: Cross multiply
    15,927.90x = 21,922.47 × 14,027.06
  4. Step 4: Simplify right side
    15,927.90x = 307,507,802.04
  5. Step 5: Solve for x
    x = 307,507,802.04/15,927.90
  6. Step 6: Final answer
    x = 19,306.24

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1.5x scale

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.