Home / 19,881.48-27,435.06-10,928.76

Finding the Fourth Proportional to 19,881.48, 27,435.06 and 10,928.76

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Solution

The fourth proportional to 19,881.48, 27,435.06 and 10,928.76 is: 15,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881.48 : 27,435.06 = 10,928.76 : x
  2. Step 2: Convert to fraction form
    19,881.48/27,435.06 = 10,928.76/x
  3. Step 3: Cross multiply
    19,881.48x = 27,435.06 × 10,928.76
  4. Step 4: Simplify right side
    19,881.48x = 299,831,186.33
  5. Step 5: Solve for x
    x = 299,831,186.33/19,881.48
  6. Step 6: Final answer
    x = 15,080.93

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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.