Home / 25,329.77-38,005.59-13,640.66

Finding the Fourth Proportional to 25,329.77, 38,005.59 and 13,640.66

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Solution

The fourth proportional to 25,329.77, 38,005.59 and 13,640.66 is: 20,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.77 : 38,005.59 = 13,640.66 : x
  2. Step 2: Convert to fraction form
    25,329.77/38,005.59 = 13,640.66/x
  3. Step 3: Cross multiply
    25,329.77x = 38,005.59 × 13,640.66
  4. Step 4: Simplify right side
    25,329.77x = 518,421,141.26
  5. Step 5: Solve for x
    x = 518,421,141.26/25,329.77
  6. Step 6: Final answer
    x = 20,466.88

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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.