Home / 23,118.48-31,866.48-16,390.08

Finding the Fourth Proportional to 23,118.48, 31,866.48 and 16,390.08

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Solution

The fourth proportional to 23,118.48, 31,866.48 and 16,390.08 is: 22,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.48 : 31,866.48 = 16,390.08 : x
  2. Step 2: Convert to fraction form
    23,118.48/31,866.48 = 16,390.08/x
  3. Step 3: Cross multiply
    23,118.48x = 31,866.48 × 16,390.08
  4. Step 4: Simplify right side
    23,118.48x = 522,294,156.52
  5. Step 5: Solve for x
    x = 522,294,156.52/23,118.48
  6. Step 6: Final answer
    x = 22,592.06

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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.