Home / 28,730.81-43,136.58-14,700.90

Finding the Fourth Proportional to 28,730.81, 43,136.58 and 14,700.90

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Solution

The fourth proportional to 28,730.81, 43,136.58 and 14,700.90 is: 22,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.81 : 43,136.58 = 14,700.90 : x
  2. Step 2: Convert to fraction form
    28,730.81/43,136.58 = 14,700.90/x
  3. Step 3: Cross multiply
    28,730.81x = 43,136.58 × 14,700.90
  4. Step 4: Simplify right side
    28,730.81x = 634,146,259.73
  5. Step 5: Solve for x
    x = 634,146,259.73/28,730.81
  6. Step 6: Final answer
    x = 22,072.00

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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.