Home / 26,788.16-36,967.80-15,458.13

Finding the Fourth Proportional to 26,788.16, 36,967.80 and 15,458.13

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Solution

The fourth proportional to 26,788.16, 36,967.80 and 15,458.13 is: 21,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.16 : 36,967.80 = 15,458.13 : x
  2. Step 2: Convert to fraction form
    26,788.16/36,967.80 = 15,458.13/x
  3. Step 3: Cross multiply
    26,788.16x = 36,967.80 × 15,458.13
  4. Step 4: Simplify right side
    26,788.16x = 571,453,058.21
  5. Step 5: Solve for x
    x = 571,453,058.21/26,788.16
  6. Step 6: Final answer
    x = 21,332.30

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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.