Home / 28,341.29-39,113.55-15,597.02

Finding the Fourth Proportional to 28,341.29, 39,113.55 and 15,597.02

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Solution

The fourth proportional to 28,341.29, 39,113.55 and 15,597.02 is: 21,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.29 : 39,113.55 = 15,597.02 : x
  2. Step 2: Convert to fraction form
    28,341.29/39,113.55 = 15,597.02/x
  3. Step 3: Cross multiply
    28,341.29x = 39,113.55 × 15,597.02
  4. Step 4: Simplify right side
    28,341.29x = 610,054,919.40
  5. Step 5: Solve for x
    x = 610,054,919.40/28,341.29
  6. Step 6: Final answer
    x = 21,525.30

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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.