Home / 28,037.04-38,689.08-15,461.68

Finding the Fourth Proportional to 28,037.04, 38,689.08 and 15,461.68

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Solution

The fourth proportional to 28,037.04, 38,689.08 and 15,461.68 is: 21,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.04 : 38,689.08 = 15,461.68 : x
  2. Step 2: Convert to fraction form
    28,037.04/38,689.08 = 15,461.68/x
  3. Step 3: Cross multiply
    28,037.04x = 38,689.08 × 15,461.68
  4. Step 4: Simplify right side
    28,037.04x = 598,198,174.45
  5. Step 5: Solve for x
    x = 598,198,174.45/28,037.04
  6. Step 6: Final answer
    x = 21,336.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.