Home / 27,319.70-37,700.82-15,384.21

Finding the Fourth Proportional to 27,319.70, 37,700.82 and 15,384.21

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Solution

The fourth proportional to 27,319.70, 37,700.82 and 15,384.21 is: 21,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.70 : 37,700.82 = 15,384.21 : x
  2. Step 2: Convert to fraction form
    27,319.70/37,700.82 = 15,384.21/x
  3. Step 3: Cross multiply
    27,319.70x = 37,700.82 × 15,384.21
  4. Step 4: Simplify right side
    27,319.70x = 579,997,332.05
  5. Step 5: Solve for x
    x = 579,997,332.05/27,319.70
  6. Step 6: Final answer
    x = 21,230.01

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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.