Home / 28,801.38-39,746.20-16,055.68

Finding the Fourth Proportional to 28,801.38, 39,746.20 and 16,055.68

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Solution

The fourth proportional to 28,801.38, 39,746.20 and 16,055.68 is: 22,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.38 : 39,746.20 = 16,055.68 : x
  2. Step 2: Convert to fraction form
    28,801.38/39,746.20 = 16,055.68/x
  3. Step 3: Cross multiply
    28,801.38x = 39,746.20 × 16,055.68
  4. Step 4: Simplify right side
    28,801.38x = 638,152,219.72
  5. Step 5: Solve for x
    x = 638,152,219.72/28,801.38
  6. Step 6: Final answer
    x = 22,157.00

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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.