Home / 28,303.47-39,063.60-16,374.06

Finding the Fourth Proportional to 28,303.47, 39,063.60 and 16,374.06

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Solution

The fourth proportional to 28,303.47, 39,063.60 and 16,374.06 is: 22,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.47 : 39,063.60 = 16,374.06 : x
  2. Step 2: Convert to fraction form
    28,303.47/39,063.60 = 16,374.06/x
  3. Step 3: Cross multiply
    28,303.47x = 39,063.60 × 16,374.06
  4. Step 4: Simplify right side
    28,303.47x = 639,629,730.22
  5. Step 5: Solve for x
    x = 639,629,730.22/28,303.47
  6. Step 6: Final answer
    x = 22,598.99

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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.