Home / 29,304.28-40,439.93-15,875.63

Finding the Fourth Proportional to 29,304.28, 40,439.93 and 15,875.63

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Solution

The fourth proportional to 29,304.28, 40,439.93 and 15,875.63 is: 21,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.28 : 40,439.93 = 15,875.63 : x
  2. Step 2: Convert to fraction form
    29,304.28/40,439.93 = 15,875.63/x
  3. Step 3: Cross multiply
    29,304.28x = 40,439.93 × 15,875.63
  4. Step 4: Simplify right side
    29,304.28x = 642,009,235.98
  5. Step 5: Solve for x
    x = 642,009,235.98/29,304.28
  6. Step 6: Final answer
    x = 21,908.38

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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.