Home / 28,281.74-39,029.85-16,953.08

Finding the Fourth Proportional to 28,281.74, 39,029.85 and 16,953.08

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Solution

The fourth proportional to 28,281.74, 39,029.85 and 16,953.08 is: 23,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.74 : 39,029.85 = 16,953.08 : x
  2. Step 2: Convert to fraction form
    28,281.74/39,029.85 = 16,953.08/x
  3. Step 3: Cross multiply
    28,281.74x = 39,029.85 × 16,953.08
  4. Step 4: Simplify right side
    28,281.74x = 661,675,974.29
  5. Step 5: Solve for x
    x = 661,675,974.29/28,281.74
  6. Step 6: Final answer
    x = 23,395.88

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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.