Home / 28,753.91-43,128.02-9,031.94

Finding the Fourth Proportional to 28,753.91, 43,128.02 and 9,031.94

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Solution

The fourth proportional to 28,753.91, 43,128.02 and 9,031.94 is: 13,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753.91 : 43,128.02 = 9,031.94 : x
  2. Step 2: Convert to fraction form
    28,753.91/43,128.02 = 9,031.94/x
  3. Step 3: Cross multiply
    28,753.91x = 43,128.02 × 9,031.94
  4. Step 4: Simplify right side
    28,753.91x = 389,529,688.96
  5. Step 5: Solve for x
    x = 389,529,688.96/28,753.91
  6. Step 6: Final answer
    x = 13,547.02

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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.