Home / 26,670.02-39,990.65-13,313.93

Finding the Fourth Proportional to 26,670.02, 39,990.65 and 13,313.93

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Solution

The fourth proportional to 26,670.02, 39,990.65 and 13,313.93 is: 19,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.02 : 39,990.65 = 13,313.93 : x
  2. Step 2: Convert to fraction form
    26,670.02/39,990.65 = 13,313.93/x
  3. Step 3: Cross multiply
    26,670.02x = 39,990.65 × 13,313.93
  4. Step 4: Simplify right side
    26,670.02x = 532,432,448.23
  5. Step 5: Solve for x
    x = 532,432,448.23/26,670.02
  6. Step 6: Final answer
    x = 19,963.71

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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.