Home / 29,295.22-40,427.16-15,866.16

Finding the Fourth Proportional to 29,295.22, 40,427.16 and 15,866.16

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Solution

The fourth proportional to 29,295.22, 40,427.16 and 15,866.16 is: 21,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.22 : 40,427.16 = 15,866.16 : x
  2. Step 2: Convert to fraction form
    29,295.22/40,427.16 = 15,866.16/x
  3. Step 3: Cross multiply
    29,295.22x = 40,427.16 × 15,866.16
  4. Step 4: Simplify right side
    29,295.22x = 641,423,788.91
  5. Step 5: Solve for x
    x = 641,423,788.91/29,295.22
  6. Step 6: Final answer
    x = 21,895.17

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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.