Home / 29,240.65-40,352.06-15,811.87

Finding the Fourth Proportional to 29,240.65, 40,352.06 and 15,811.87

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Solution

The fourth proportional to 29,240.65, 40,352.06 and 15,811.87 is: 21,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.65 : 40,352.06 = 15,811.87 : x
  2. Step 2: Convert to fraction form
    29,240.65/40,352.06 = 15,811.87/x
  3. Step 3: Cross multiply
    29,240.65x = 40,352.06 × 15,811.87
  4. Step 4: Simplify right side
    29,240.65x = 638,041,347.01
  5. Step 5: Solve for x
    x = 638,041,347.01/29,240.65
  6. Step 6: Final answer
    x = 21,820.36

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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.