Home / 31,035.64-42,829.95-16,889.26

Finding the Fourth Proportional to 31,035.64, 42,829.95 and 16,889.26

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Solution

The fourth proportional to 31,035.64, 42,829.95 and 16,889.26 is: 23,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,035.64 : 42,829.95 = 16,889.26 : x
  2. Step 2: Convert to fraction form
    31,035.64/42,829.95 = 16,889.26/x
  3. Step 3: Cross multiply
    31,035.64x = 42,829.95 × 16,889.26
  4. Step 4: Simplify right side
    31,035.64x = 723,366,161.34
  5. Step 5: Solve for x
    x = 723,366,161.34/31,035.64
  6. Step 6: Final answer
    x = 23,307.60

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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.