Home / 29,292.48-40,442.28-19,238.72

Finding the Fourth Proportional to 29,292.48, 40,442.28 and 19,238.72

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Solution

The fourth proportional to 29,292.48, 40,442.28 and 19,238.72 is: 26,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292.48 : 40,442.28 = 19,238.72 : x
  2. Step 2: Convert to fraction form
    29,292.48/40,442.28 = 19,238.72/x
  3. Step 3: Cross multiply
    29,292.48x = 40,442.28 × 19,238.72
  4. Step 4: Simplify right side
    29,292.48x = 778,057,701.08
  5. Step 5: Solve for x
    x = 778,057,701.08/29,292.48
  6. Step 6: Final answer
    x = 26,561.69

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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.