Home / 29,300.69-40,434.93-15,871.91

Finding the Fourth Proportional to 29,300.69, 40,434.93 and 15,871.91

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Solution

The fourth proportional to 29,300.69, 40,434.93 and 15,871.91 is: 21,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.69 : 40,434.93 = 15,871.91 : x
  2. Step 2: Convert to fraction form
    29,300.69/40,434.93 = 15,871.91/x
  3. Step 3: Cross multiply
    29,300.69x = 40,434.93 × 15,871.91
  4. Step 4: Simplify right side
    29,300.69x = 641,779,367.64
  5. Step 5: Solve for x
    x = 641,779,367.64/29,300.69
  6. Step 6: Final answer
    x = 21,903.22

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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.