Home / 21,683.29-32,341.73-21,027.01

Finding the Fourth Proportional to 21,683.29, 32,341.73 and 21,027.01

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Solution

The fourth proportional to 21,683.29, 32,341.73 and 21,027.01 is: 31,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.29 : 32,341.73 = 21,027.01 : x
  2. Step 2: Convert to fraction form
    21,683.29/32,341.73 = 21,027.01/x
  3. Step 3: Cross multiply
    21,683.29x = 32,341.73 × 21,027.01
  4. Step 4: Simplify right side
    21,683.29x = 680,049,774.99
  5. Step 5: Solve for x
    x = 680,049,774.99/21,683.29
  6. Step 6: Final answer
    x = 31,362.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.