Home / 28,312.90-42,476.64-10,773.16

Finding the Fourth Proportional to 28,312.90, 42,476.64 and 10,773.16

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Solution

The fourth proportional to 28,312.90, 42,476.64 and 10,773.16 is: 16,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.90 : 42,476.64 = 10,773.16 : x
  2. Step 2: Convert to fraction form
    28,312.90/42,476.64 = 10,773.16/x
  3. Step 3: Cross multiply
    28,312.90x = 42,476.64 × 10,773.16
  4. Step 4: Simplify right side
    28,312.90x = 457,607,638.98
  5. Step 5: Solve for x
    x = 457,607,638.98/28,312.90
  6. Step 6: Final answer
    x = 16,162.51

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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.