Home / 29,389.81-40,558.23-15,961.18

Finding the Fourth Proportional to 29,389.81, 40,558.23 and 15,961.18

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Solution

The fourth proportional to 29,389.81, 40,558.23 and 15,961.18 is: 22,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.81 : 40,558.23 = 15,961.18 : x
  2. Step 2: Convert to fraction form
    29,389.81/40,558.23 = 15,961.18/x
  3. Step 3: Cross multiply
    29,389.81x = 40,558.23 × 15,961.18
  4. Step 4: Simplify right side
    29,389.81x = 647,357,209.51
  5. Step 5: Solve for x
    x = 647,357,209.51/29,389.81
  6. Step 6: Final answer
    x = 22,026.59

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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.