Home / 19,479.48-29,219.24-15,043.64

Finding the Fourth Proportional to 19,479.48, 29,219.24 and 15,043.64

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Solution

The fourth proportional to 19,479.48, 29,219.24 and 15,043.64 is: 22,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.48 : 29,219.24 = 15,043.64 : x
  2. Step 2: Convert to fraction form
    19,479.48/29,219.24 = 15,043.64/x
  3. Step 3: Cross multiply
    19,479.48x = 29,219.24 × 15,043.64
  4. Step 4: Simplify right side
    19,479.48x = 439,563,506.32
  5. Step 5: Solve for x
    x = 439,563,506.32/19,479.48
  6. Step 6: Final answer
    x = 22,565.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.