Home / 28,784.54-39,722.48-16,038.28

Finding the Fourth Proportional to 28,784.54, 39,722.48 and 16,038.28

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Solution

The fourth proportional to 28,784.54, 39,722.48 and 16,038.28 is: 22,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.54 : 39,722.48 = 16,038.28 : x
  2. Step 2: Convert to fraction form
    28,784.54/39,722.48 = 16,038.28/x
  3. Step 3: Cross multiply
    28,784.54x = 39,722.48 × 16,038.28
  4. Step 4: Simplify right side
    28,784.54x = 637,080,256.53
  5. Step 5: Solve for x
    x = 637,080,256.53/28,784.54
  6. Step 6: Final answer
    x = 22,132.72

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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.