Home / 28,041.76-42,088.56-14,200.48

Finding the Fourth Proportional to 28,041.76, 42,088.56 and 14,200.48

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Solution

The fourth proportional to 28,041.76, 42,088.56 and 14,200.48 is: 21,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.76 : 42,088.56 = 14,200.48 : x
  2. Step 2: Convert to fraction form
    28,041.76/42,088.56 = 14,200.48/x
  3. Step 3: Cross multiply
    28,041.76x = 42,088.56 × 14,200.48
  4. Step 4: Simplify right side
    28,041.76x = 597,677,754.51
  5. Step 5: Solve for x
    x = 597,677,754.51/28,041.76
  6. Step 6: Final answer
    x = 21,313.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.