Home / 23,031.18-31,782.69-13,477.64

Finding the Fourth Proportional to 23,031.18, 31,782.69 and 13,477.64

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Solution

The fourth proportional to 23,031.18, 31,782.69 and 13,477.64 is: 18,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.18 : 31,782.69 = 13,477.64 : x
  2. Step 2: Convert to fraction form
    23,031.18/31,782.69 = 13,477.64/x
  3. Step 3: Cross multiply
    23,031.18x = 31,782.69 × 13,477.64
  4. Step 4: Simplify right side
    23,031.18x = 428,355,495.14
  5. Step 5: Solve for x
    x = 428,355,495.14/23,031.18
  6. Step 6: Final answer
    x = 18,598.94

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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.