Home / 28,117.02-42,179.25-10,345.26

Finding the Fourth Proportional to 28,117.02, 42,179.25 and 10,345.26

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Solution

The fourth proportional to 28,117.02, 42,179.25 and 10,345.26 is: 15,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.02 : 42,179.25 = 10,345.26 : x
  2. Step 2: Convert to fraction form
    28,117.02/42,179.25 = 10,345.26/x
  3. Step 3: Cross multiply
    28,117.02x = 42,179.25 × 10,345.26
  4. Step 4: Simplify right side
    28,117.02x = 436,355,307.86
  5. Step 5: Solve for x
    x = 436,355,307.86/28,117.02
  6. Step 6: Final answer
    x = 15,519.26

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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.