Home / 27,307.80-40,929.30-14,153.40

Finding the Fourth Proportional to 27,307.80, 40,929.30 and 14,153.40

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Solution

The fourth proportional to 27,307.80, 40,929.30 and 14,153.40 is: 21,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.80 : 40,929.30 = 14,153.40 : x
  2. Step 2: Convert to fraction form
    27,307.80/40,929.30 = 14,153.40/x
  3. Step 3: Cross multiply
    27,307.80x = 40,929.30 × 14,153.40
  4. Step 4: Simplify right side
    27,307.80x = 579,288,754.62
  5. Step 5: Solve for x
    x = 579,288,754.62/27,307.80
  6. Step 6: Final answer
    x = 21,213.31

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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.