Home / 28,030.76-38,642.26-22,052.05

Finding the Fourth Proportional to 28,030.76, 38,642.26 and 22,052.05

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Solution

The fourth proportional to 28,030.76, 38,642.26 and 22,052.05 is: 30,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.76 : 38,642.26 = 22,052.05 : x
  2. Step 2: Convert to fraction form
    28,030.76/38,642.26 = 22,052.05/x
  3. Step 3: Cross multiply
    28,030.76x = 38,642.26 × 22,052.05
  4. Step 4: Simplify right side
    28,030.76x = 852,140,746.16
  5. Step 5: Solve for x
    x = 852,140,746.16/28,030.76
  6. Step 6: Final answer
    x = 30,400.20

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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.