Home / 28,449.74-42,660.95-13,444.37

Finding the Fourth Proportional to 28,449.74, 42,660.95 and 13,444.37

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Solution

The fourth proportional to 28,449.74, 42,660.95 and 13,444.37 is: 20,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.74 : 42,660.95 = 13,444.37 : x
  2. Step 2: Convert to fraction form
    28,449.74/42,660.95 = 13,444.37/x
  3. Step 3: Cross multiply
    28,449.74x = 42,660.95 × 13,444.37
  4. Step 4: Simplify right side
    28,449.74x = 573,549,416.66
  5. Step 5: Solve for x
    x = 573,549,416.66/28,449.74
  6. Step 6: Final answer
    x = 20,160.10

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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.