Home / 28,368.60-42,765.33-26,465.64

Finding the Fourth Proportional to 28,368.60, 42,765.33 and 26,465.64

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Solution

The fourth proportional to 28,368.60, 42,765.33 and 26,465.64 is: 39,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.60 : 42,765.33 = 26,465.64 : x
  2. Step 2: Convert to fraction form
    28,368.60/42,765.33 = 26,465.64/x
  3. Step 3: Cross multiply
    28,368.60x = 42,765.33 × 26,465.64
  4. Step 4: Simplify right side
    28,368.60x = 1,131,811,828.26
  5. Step 5: Solve for x
    x = 1,131,811,828.26/28,368.60
  6. Step 6: Final answer
    x = 39,896.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.