Home / 28,123.65-38,785.47-23,335.98

Finding the Fourth Proportional to 28,123.65, 38,785.47 and 23,335.98

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Solution

The fourth proportional to 28,123.65, 38,785.47 and 23,335.98 is: 32,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,123.65 : 38,785.47 = 23,335.98 : x
  2. Step 2: Convert to fraction form
    28,123.65/38,785.47 = 23,335.98/x
  3. Step 3: Cross multiply
    28,123.65x = 38,785.47 × 23,335.98
  4. Step 4: Simplify right side
    28,123.65x = 905,096,952.21
  5. Step 5: Solve for x
    x = 905,096,952.21/28,123.65
  6. Step 6: Final answer
    x = 32,182.77

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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.