Home / 26,639.99-39,948.36-14,157.01

Finding the Fourth Proportional to 26,639.99, 39,948.36 and 14,157.01

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Solution

The fourth proportional to 26,639.99, 39,948.36 and 14,157.01 is: 21,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.99 : 39,948.36 = 14,157.01 : x
  2. Step 2: Convert to fraction form
    26,639.99/39,948.36 = 14,157.01/x
  3. Step 3: Cross multiply
    26,639.99x = 39,948.36 × 14,157.01
  4. Step 4: Simplify right side
    26,639.99x = 565,549,328.85
  5. Step 5: Solve for x
    x = 565,549,328.85/26,639.99
  6. Step 6: Final answer
    x = 21,229.34

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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.