Home / 28,060.08-42,103.08-12,482.16

Finding the Fourth Proportional to 28,060.08, 42,103.08 and 12,482.16

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Solution

The fourth proportional to 28,060.08, 42,103.08 and 12,482.16 is: 18,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.08 : 42,103.08 = 12,482.16 : x
  2. Step 2: Convert to fraction form
    28,060.08/42,103.08 = 12,482.16/x
  3. Step 3: Cross multiply
    28,060.08x = 42,103.08 × 12,482.16
  4. Step 4: Simplify right side
    28,060.08x = 525,537,381.05
  5. Step 5: Solve for x
    x = 525,537,381.05/28,060.08
  6. Step 6: Final answer
    x = 18,729.01

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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.