Home / 28,052.38-42,038.47-20,598.36

Finding the Fourth Proportional to 28,052.38, 42,038.47 and 20,598.36

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Solution

The fourth proportional to 28,052.38, 42,038.47 and 20,598.36 is: 30,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.38 : 42,038.47 = 20,598.36 : x
  2. Step 2: Convert to fraction form
    28,052.38/42,038.47 = 20,598.36/x
  3. Step 3: Cross multiply
    28,052.38x = 42,038.47 × 20,598.36
  4. Step 4: Simplify right side
    28,052.38x = 865,923,538.91
  5. Step 5: Solve for x
    x = 865,923,538.91/28,052.38
  6. Step 6: Final answer
    x = 30,868.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.