Home / 26,307.90-39,439.71-21,628.26

Finding the Fourth Proportional to 26,307.90, 39,439.71 and 21,628.26

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Solution

The fourth proportional to 26,307.90, 39,439.71 and 21,628.26 is: 32,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,307.90 : 39,439.71 = 21,628.26 : x
  2. Step 2: Convert to fraction form
    26,307.90/39,439.71 = 21,628.26/x
  3. Step 3: Cross multiply
    26,307.90x = 39,439.71 × 21,628.26
  4. Step 4: Simplify right side
    26,307.90x = 853,012,302.20
  5. Step 5: Solve for x
    x = 853,012,302.20/26,307.90
  6. Step 6: Final answer
    x = 32,424.19

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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.