Home / 28,070.64-38,737.56-16,133.16

Finding the Fourth Proportional to 28,070.64, 38,737.56 and 16,133.16

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Solution

The fourth proportional to 28,070.64, 38,737.56 and 16,133.16 is: 22,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.64 : 38,737.56 = 16,133.16 : x
  2. Step 2: Convert to fraction form
    28,070.64/38,737.56 = 16,133.16/x
  3. Step 3: Cross multiply
    28,070.64x = 38,737.56 × 16,133.16
  4. Step 4: Simplify right side
    28,070.64x = 624,959,253.49
  5. Step 5: Solve for x
    x = 624,959,253.49/28,070.64
  6. Step 6: Final answer
    x = 22,263.80

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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.