Home / 26,980.24-37,231.20-14,878.32

Finding the Fourth Proportional to 26,980.24, 37,231.20 and 14,878.32

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Solution

The fourth proportional to 26,980.24, 37,231.20 and 14,878.32 is: 20,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.24 : 37,231.20 = 14,878.32 : x
  2. Step 2: Convert to fraction form
    26,980.24/37,231.20 = 14,878.32/x
  3. Step 3: Cross multiply
    26,980.24x = 37,231.20 × 14,878.32
  4. Step 4: Simplify right side
    26,980.24x = 553,937,707.58
  5. Step 5: Solve for x
    x = 553,937,707.58/26,980.24
  6. Step 6: Final answer
    x = 20,531.24

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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.