Home / 28,352.58-42,527.15-12,553.01

Finding the Fourth Proportional to 28,352.58, 42,527.15 and 12,553.01

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Solution

The fourth proportional to 28,352.58, 42,527.15 and 12,553.01 is: 18,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.58 : 42,527.15 = 12,553.01 : x
  2. Step 2: Convert to fraction form
    28,352.58/42,527.15 = 12,553.01/x
  3. Step 3: Cross multiply
    28,352.58x = 42,527.15 × 12,553.01
  4. Step 4: Simplify right side
    28,352.58x = 533,843,526.59
  5. Step 5: Solve for x
    x = 533,843,526.59/28,352.58
  6. Step 6: Final answer
    x = 18,828.75

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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.