Home / 28,592.86-42,915.66-14,562.91

Finding the Fourth Proportional to 28,592.86, 42,915.66 and 14,562.91

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Solution

The fourth proportional to 28,592.86, 42,915.66 and 14,562.91 is: 21,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.86 : 42,915.66 = 14,562.91 : x
  2. Step 2: Convert to fraction form
    28,592.86/42,915.66 = 14,562.91/x
  3. Step 3: Cross multiply
    28,592.86x = 42,915.66 × 14,562.91
  4. Step 4: Simplify right side
    28,592.86x = 624,977,075.34
  5. Step 5: Solve for x
    x = 624,977,075.34/28,592.86
  6. Step 6: Final answer
    x = 21,857.80

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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.