Home / 27,430.95-37,855.45-16,814.49

Finding the Fourth Proportional to 27,430.95, 37,855.45 and 16,814.49

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Solution

The fourth proportional to 27,430.95, 37,855.45 and 16,814.49 is: 23,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.95 : 37,855.45 = 16,814.49 : x
  2. Step 2: Convert to fraction form
    27,430.95/37,855.45 = 16,814.49/x
  3. Step 3: Cross multiply
    27,430.95x = 37,855.45 × 16,814.49
  4. Step 4: Simplify right side
    27,430.95x = 636,519,964.53
  5. Step 5: Solve for x
    x = 636,519,964.53/27,430.95
  6. Step 6: Final answer
    x = 23,204.44

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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.