Home / 28,547.58-42,827.88-15,399.66

Finding the Fourth Proportional to 28,547.58, 42,827.88 and 15,399.66

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Solution

The fourth proportional to 28,547.58, 42,827.88 and 15,399.66 is: 23,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.58 : 42,827.88 = 15,399.66 : x
  2. Step 2: Convert to fraction form
    28,547.58/42,827.88 = 15,399.66/x
  3. Step 3: Cross multiply
    28,547.58x = 42,827.88 × 15,399.66
  4. Step 4: Simplify right side
    28,547.58x = 659,534,790.52
  5. Step 5: Solve for x
    x = 659,534,790.52/28,547.58
  6. Step 6: Final answer
    x = 23,103.00

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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.