Home / 28,291.32-42,441.57-9,572.51

Finding the Fourth Proportional to 28,291.32, 42,441.57 and 9,572.51

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Solution

The fourth proportional to 28,291.32, 42,441.57 and 9,572.51 is: 14,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.32 : 42,441.57 = 9,572.51 : x
  2. Step 2: Convert to fraction form
    28,291.32/42,441.57 = 9,572.51/x
  3. Step 3: Cross multiply
    28,291.32x = 42,441.57 × 9,572.51
  4. Step 4: Simplify right side
    28,291.32x = 406,272,141.03
  5. Step 5: Solve for x
    x = 406,272,141.03/28,291.32
  6. Step 6: Final answer
    x = 14,360.31

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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.