Home / 27,921.17-41,888.63-13,887.84

Finding the Fourth Proportional to 27,921.17, 41,888.63 and 13,887.84

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Solution

The fourth proportional to 27,921.17, 41,888.63 and 13,887.84 is: 20,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.17 : 41,888.63 = 13,887.84 : x
  2. Step 2: Convert to fraction form
    27,921.17/41,888.63 = 13,887.84/x
  3. Step 3: Cross multiply
    27,921.17x = 41,888.63 × 13,887.84
  4. Step 4: Simplify right side
    27,921.17x = 581,742,591.26
  5. Step 5: Solve for x
    x = 581,742,591.26/27,921.17
  6. Step 6: Final answer
    x = 20,835.18

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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.