Home / 21,035.16-29,027.43-13,077.25

Finding the Fourth Proportional to 21,035.16, 29,027.43 and 13,077.25

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Solution

The fourth proportional to 21,035.16, 29,027.43 and 13,077.25 is: 18,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.16 : 29,027.43 = 13,077.25 : x
  2. Step 2: Convert to fraction form
    21,035.16/29,027.43 = 13,077.25/x
  3. Step 3: Cross multiply
    21,035.16x = 29,027.43 × 13,077.25
  4. Step 4: Simplify right side
    21,035.16x = 379,598,886.40
  5. Step 5: Solve for x
    x = 379,598,886.40/21,035.16
  6. Step 6: Final answer
    x = 18,045.92

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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.