Home / 28,406.37-42,547.58-23,420.01

Finding the Fourth Proportional to 28,406.37, 42,547.58 and 23,420.01

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Solution

The fourth proportional to 28,406.37, 42,547.58 and 23,420.01 is: 35,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.37 : 42,547.58 = 23,420.01 : x
  2. Step 2: Convert to fraction form
    28,406.37/42,547.58 = 23,420.01/x
  3. Step 3: Cross multiply
    28,406.37x = 42,547.58 × 23,420.01
  4. Step 4: Simplify right side
    28,406.37x = 996,464,419.24
  5. Step 5: Solve for x
    x = 996,464,419.24/28,406.37
  6. Step 6: Final answer
    x = 35,078.91

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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.