Home / 29,303.84-40,439.23-15,875.43

Finding the Fourth Proportional to 29,303.84, 40,439.23 and 15,875.43

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Solution

The fourth proportional to 29,303.84, 40,439.23 and 15,875.43 is: 21,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,303.84 : 40,439.23 = 15,875.43 : x
  2. Step 2: Convert to fraction form
    29,303.84/40,439.23 = 15,875.43/x
  3. Step 3: Cross multiply
    29,303.84x = 40,439.23 × 15,875.43
  4. Step 4: Simplify right side
    29,303.84x = 641,989,973.78
  5. Step 5: Solve for x
    x = 641,989,973.78/29,303.84
  6. Step 6: Final answer
    x = 21,908.05

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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.