Home / 29,355.45-40,510.53-15,926.91

Finding the Fourth Proportional to 29,355.45, 40,510.53 and 15,926.91

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Solution

The fourth proportional to 29,355.45, 40,510.53 and 15,926.91 is: 21,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.45 : 40,510.53 = 15,926.91 : x
  2. Step 2: Convert to fraction form
    29,355.45/40,510.53 = 15,926.91/x
  3. Step 3: Cross multiply
    29,355.45x = 40,510.53 × 15,926.91
  4. Step 4: Simplify right side
    29,355.45x = 645,207,565.36
  5. Step 5: Solve for x
    x = 645,207,565.36/29,355.45
  6. Step 6: Final answer
    x = 21,979.14

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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.