Home / 28,637.31-39,429.68-26,012.91

Finding the Fourth Proportional to 28,637.31, 39,429.68 and 26,012.91

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Solution

The fourth proportional to 28,637.31, 39,429.68 and 26,012.91 is: 35,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.31 : 39,429.68 = 26,012.91 : x
  2. Step 2: Convert to fraction form
    28,637.31/39,429.68 = 26,012.91/x
  3. Step 3: Cross multiply
    28,637.31x = 39,429.68 × 26,012.91
  4. Step 4: Simplify right side
    28,637.31x = 1,025,680,587.10
  5. Step 5: Solve for x
    x = 1,025,680,587.10/28,637.31
  6. Step 6: Final answer
    x = 35,816.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.