Home / 27,421.85-37,838.07-15,484.95

Finding the Fourth Proportional to 27,421.85, 37,838.07 and 15,484.95

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Solution

The fourth proportional to 27,421.85, 37,838.07 and 15,484.95 is: 21,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.85 : 37,838.07 = 15,484.95 : x
  2. Step 2: Convert to fraction form
    27,421.85/37,838.07 = 15,484.95/x
  3. Step 3: Cross multiply
    27,421.85x = 37,838.07 × 15,484.95
  4. Step 4: Simplify right side
    27,421.85x = 585,920,622.05
  5. Step 5: Solve for x
    x = 585,920,622.05/27,421.85
  6. Step 6: Final answer
    x = 21,366.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.