Home / 25,221.71-34,807.12-14,469.77

Finding the Fourth Proportional to 25,221.71, 34,807.12 and 14,469.77

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Solution

The fourth proportional to 25,221.71, 34,807.12 and 14,469.77 is: 19,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.71 : 34,807.12 = 14,469.77 : x
  2. Step 2: Convert to fraction form
    25,221.71/34,807.12 = 14,469.77/x
  3. Step 3: Cross multiply
    25,221.71x = 34,807.12 × 14,469.77
  4. Step 4: Simplify right side
    25,221.71x = 503,651,071.61
  5. Step 5: Solve for x
    x = 503,651,071.61/25,221.71
  6. Step 6: Final answer
    x = 19,968.95

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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.