Home / 29,359.79-40,516.67-15,931.07

Finding the Fourth Proportional to 29,359.79, 40,516.67 and 15,931.07

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Solution

The fourth proportional to 29,359.79, 40,516.67 and 15,931.07 is: 21,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,359.79 : 40,516.67 = 15,931.07 : x
  2. Step 2: Convert to fraction form
    29,359.79/40,516.67 = 15,931.07/x
  3. Step 3: Cross multiply
    29,359.79x = 40,516.67 × 15,931.07
  4. Step 4: Simplify right side
    29,359.79x = 645,473,905.94
  5. Step 5: Solve for x
    x = 645,473,905.94/29,359.79
  6. Step 6: Final answer
    x = 21,984.96

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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.