Home / 28,276.86-42,359.81-23,017.53

Finding the Fourth Proportional to 28,276.86, 42,359.81 and 23,017.53

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Solution

The fourth proportional to 28,276.86, 42,359.81 and 23,017.53 is: 34,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.86 : 42,359.81 = 23,017.53 : x
  2. Step 2: Convert to fraction form
    28,276.86/42,359.81 = 23,017.53/x
  3. Step 3: Cross multiply
    28,276.86x = 42,359.81 × 23,017.53
  4. Step 4: Simplify right side
    28,276.86x = 975,018,197.47
  5. Step 5: Solve for x
    x = 975,018,197.47/28,276.86
  6. Step 6: Final answer
    x = 34,481.13

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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.