Home / 28,432.98-42,651.90-8,713.26

Finding the Fourth Proportional to 28,432.98, 42,651.90 and 8,713.26

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Solution

The fourth proportional to 28,432.98, 42,651.90 and 8,713.26 is: 13,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.98 : 42,651.90 = 8,713.26 : x
  2. Step 2: Convert to fraction form
    28,432.98/42,651.90 = 8,713.26/x
  3. Step 3: Cross multiply
    28,432.98x = 42,651.90 × 8,713.26
  4. Step 4: Simplify right side
    28,432.98x = 371,637,094.19
  5. Step 5: Solve for x
    x = 371,637,094.19/28,432.98
  6. Step 6: Final answer
    x = 13,070.63

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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.