Home / 28,526.37-42,808.19-12,944.13

Finding the Fourth Proportional to 28,526.37, 42,808.19 and 12,944.13

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Solution

The fourth proportional to 28,526.37, 42,808.19 and 12,944.13 is: 19,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.37 : 42,808.19 = 12,944.13 : x
  2. Step 2: Convert to fraction form
    28,526.37/42,808.19 = 12,944.13/x
  3. Step 3: Cross multiply
    28,526.37x = 42,808.19 × 12,944.13
  4. Step 4: Simplify right side
    28,526.37x = 554,114,711.70
  5. Step 5: Solve for x
    x = 554,114,711.70/28,526.37
  6. Step 6: Final answer
    x = 19,424.65

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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.