Home / 26,400.65-39,602.75-9,760.28

Finding the Fourth Proportional to 26,400.65, 39,602.75 and 9,760.28

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Solution

The fourth proportional to 26,400.65, 39,602.75 and 9,760.28 is: 14,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.65 : 39,602.75 = 9,760.28 : x
  2. Step 2: Convert to fraction form
    26,400.65/39,602.75 = 9,760.28/x
  3. Step 3: Cross multiply
    26,400.65x = 39,602.75 × 9,760.28
  4. Step 4: Simplify right side
    26,400.65x = 386,533,681.95
  5. Step 5: Solve for x
    x = 386,533,681.95/26,400.65
  6. Step 6: Final answer
    x = 14,641.07

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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.