Home / 42,977.68-64,373.08-26,287.23

Finding the Fourth Proportional to 42,977.68, 64,373.08 and 26,287.23

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Solution

The fourth proportional to 42,977.68, 64,373.08 and 26,287.23 is: 39,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.68 : 64,373.08 = 26,287.23 : x
  2. Step 2: Convert to fraction form
    42,977.68/64,373.08 = 26,287.23/x
  3. Step 3: Cross multiply
    42,977.68x = 64,373.08 × 26,287.23
  4. Step 4: Simplify right side
    42,977.68x = 1,692,189,959.77
  5. Step 5: Solve for x
    x = 1,692,189,959.77/42,977.68
  6. Step 6: Final answer
    x = 39,373.69

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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.