Home / 23,025.69-31,778.15-12,955.77

Finding the Fourth Proportional to 23,025.69, 31,778.15 and 12,955.77

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Solution

The fourth proportional to 23,025.69, 31,778.15 and 12,955.77 is: 17,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,025.69 : 31,778.15 = 12,955.77 : x
  2. Step 2: Convert to fraction form
    23,025.69/31,778.15 = 12,955.77/x
  3. Step 3: Cross multiply
    23,025.69x = 31,778.15 × 12,955.77
  4. Step 4: Simplify right side
    23,025.69x = 411,710,337.65
  5. Step 5: Solve for x
    x = 411,710,337.65/23,025.69
  6. Step 6: Final answer
    x = 17,880.48

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Half scale
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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.