Home / 28,488.24-42,703.20-14,422.19

Finding the Fourth Proportional to 28,488.24, 42,703.20 and 14,422.19

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Solution

The fourth proportional to 28,488.24, 42,703.20 and 14,422.19 is: 21,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.24 : 42,703.20 = 14,422.19 : x
  2. Step 2: Convert to fraction form
    28,488.24/42,703.20 = 14,422.19/x
  3. Step 3: Cross multiply
    28,488.24x = 42,703.20 × 14,422.19
  4. Step 4: Simplify right side
    28,488.24x = 615,873,450.49
  5. Step 5: Solve for x
    x = 615,873,450.49/28,488.24
  6. Step 6: Final answer
    x = 21,618.52

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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.