Home / 26,488.19-39,685.58-13,980.66

Finding the Fourth Proportional to 26,488.19, 39,685.58 and 13,980.66

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Solution

The fourth proportional to 26,488.19, 39,685.58 and 13,980.66 is: 20,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.19 : 39,685.58 = 13,980.66 : x
  2. Step 2: Convert to fraction form
    26,488.19/39,685.58 = 13,980.66/x
  3. Step 3: Cross multiply
    26,488.19x = 39,685.58 × 13,980.66
  4. Step 4: Simplify right side
    26,488.19x = 554,830,600.88
  5. Step 5: Solve for x
    x = 554,830,600.88/26,488.19
  6. Step 6: Final answer
    x = 20,946.34

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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.