Home / 28,807.61-43,209.09-10,085.67

Finding the Fourth Proportional to 28,807.61, 43,209.09 and 10,085.67

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Solution

The fourth proportional to 28,807.61, 43,209.09 and 10,085.67 is: 15,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.61 : 43,209.09 = 10,085.67 : x
  2. Step 2: Convert to fraction form
    28,807.61/43,209.09 = 10,085.67/x
  3. Step 3: Cross multiply
    28,807.61x = 43,209.09 × 10,085.67
  4. Step 4: Simplify right side
    28,807.61x = 435,792,622.74
  5. Step 5: Solve for x
    x = 435,792,622.74/28,807.61
  6. Step 6: Final answer
    x = 15,127.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.