Home / 23,137.45-31,929.64-12,527.08

Finding the Fourth Proportional to 23,137.45, 31,929.64 and 12,527.08

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Solution

The fourth proportional to 23,137.45, 31,929.64 and 12,527.08 is: 17,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.45 : 31,929.64 = 12,527.08 : x
  2. Step 2: Convert to fraction form
    23,137.45/31,929.64 = 12,527.08/x
  3. Step 3: Cross multiply
    23,137.45x = 31,929.64 × 12,527.08
  4. Step 4: Simplify right side
    23,137.45x = 399,985,154.65
  5. Step 5: Solve for x
    x = 399,985,154.65/23,137.45
  6. Step 6: Final answer
    x = 17,287.35

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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.