Home / 22,438.48-30,959.40-14,987.92

Finding the Fourth Proportional to 22,438.48, 30,959.40 and 14,987.92

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Solution

The fourth proportional to 22,438.48, 30,959.40 and 14,987.92 is: 20,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.48 : 30,959.40 = 14,987.92 : x
  2. Step 2: Convert to fraction form
    22,438.48/30,959.40 = 14,987.92/x
  3. Step 3: Cross multiply
    22,438.48x = 30,959.40 × 14,987.92
  4. Step 4: Simplify right side
    22,438.48x = 464,017,010.45
  5. Step 5: Solve for x
    x = 464,017,010.45/22,438.48
  6. Step 6: Final answer
    x = 20,679.52

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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.