Home / 26,429.10-39,643.65-13,307.10

Finding the Fourth Proportional to 26,429.10, 39,643.65 and 13,307.10

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Solution

The fourth proportional to 26,429.10, 39,643.65 and 13,307.10 is: 19,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.10 : 39,643.65 = 13,307.10 : x
  2. Step 2: Convert to fraction form
    26,429.10/39,643.65 = 13,307.10/x
  3. Step 3: Cross multiply
    26,429.10x = 39,643.65 × 13,307.10
  4. Step 4: Simplify right side
    26,429.10x = 527,542,014.92
  5. Step 5: Solve for x
    x = 527,542,014.92/26,429.10
  6. Step 6: Final answer
    x = 19,960.65

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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.