Home / 28,345.62-42,457.68-23,055.51

Finding the Fourth Proportional to 28,345.62, 42,457.68 and 23,055.51

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Solution

The fourth proportional to 28,345.62, 42,457.68 and 23,055.51 is: 34,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345.62 : 42,457.68 = 23,055.51 : x
  2. Step 2: Convert to fraction form
    28,345.62/42,457.68 = 23,055.51/x
  3. Step 3: Cross multiply
    28,345.62x = 42,457.68 × 23,055.51
  4. Step 4: Simplify right side
    28,345.62x = 978,883,465.82
  5. Step 5: Solve for x
    x = 978,883,465.82/28,345.62
  6. Step 6: Final answer
    x = 34,533.85

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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.