Home / 28,052.13-42,038.10-20,598.12

Finding the Fourth Proportional to 28,052.13, 42,038.10 and 20,598.12

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Solution

The fourth proportional to 28,052.13, 42,038.10 and 20,598.12 is: 30,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.13 : 42,038.10 = 20,598.12 : x
  2. Step 2: Convert to fraction form
    28,052.13/42,038.10 = 20,598.12/x
  3. Step 3: Cross multiply
    28,052.13x = 42,038.10 × 20,598.12
  4. Step 4: Simplify right side
    28,052.13x = 865,905,828.37
  5. Step 5: Solve for x
    x = 865,905,828.37/28,052.13
  6. Step 6: Final answer
    x = 30,867.74

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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.