Home / 28,891.40-39,888.66-23,598.92

Finding the Fourth Proportional to 28,891.40, 39,888.66 and 23,598.92

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Solution

The fourth proportional to 28,891.40, 39,888.66 and 23,598.92 is: 32,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.40 : 39,888.66 = 23,598.92 : x
  2. Step 2: Convert to fraction form
    28,891.40/39,888.66 = 23,598.92/x
  3. Step 3: Cross multiply
    28,891.40x = 39,888.66 × 23,598.92
  4. Step 4: Simplify right side
    28,891.40x = 941,329,296.25
  5. Step 5: Solve for x
    x = 941,329,296.25/28,891.40
  6. Step 6: Final answer
    x = 32,581.64

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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.