Home / 28,987.77-43,480.29-10,267.51

Finding the Fourth Proportional to 28,987.77, 43,480.29 and 10,267.51

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Solution

The fourth proportional to 28,987.77, 43,480.29 and 10,267.51 is: 15,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.77 : 43,480.29 = 10,267.51 : x
  2. Step 2: Convert to fraction form
    28,987.77/43,480.29 = 10,267.51/x
  3. Step 3: Cross multiply
    28,987.77x = 43,480.29 × 10,267.51
  4. Step 4: Simplify right side
    28,987.77x = 446,434,323.71
  5. Step 5: Solve for x
    x = 446,434,323.71/28,987.77
  6. Step 6: Final answer
    x = 15,400.78

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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.