Home / 29,257.62-40,378.95-28,339.08

Finding the Fourth Proportional to 29,257.62, 40,378.95 and 28,339.08

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Solution

The fourth proportional to 29,257.62, 40,378.95 and 28,339.08 is: 39,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,257.62 : 40,378.95 = 28,339.08 : x
  2. Step 2: Convert to fraction form
    29,257.62/40,378.95 = 28,339.08/x
  3. Step 3: Cross multiply
    29,257.62x = 40,378.95 × 28,339.08
  4. Step 4: Simplify right side
    29,257.62x = 1,144,302,294.37
  5. Step 5: Solve for x
    x = 1,144,302,294.37/29,257.62
  6. Step 6: Final answer
    x = 39,111.26

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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.