Home / 26,291.04-36,282.08-15,686.88

Finding the Fourth Proportional to 26,291.04, 36,282.08 and 15,686.88

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Solution

The fourth proportional to 26,291.04, 36,282.08 and 15,686.88 is: 21,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291.04 : 36,282.08 = 15,686.88 : x
  2. Step 2: Convert to fraction form
    26,291.04/36,282.08 = 15,686.88/x
  3. Step 3: Cross multiply
    26,291.04x = 36,282.08 × 15,686.88
  4. Step 4: Simplify right side
    26,291.04x = 569,152,635.11
  5. Step 5: Solve for x
    x = 569,152,635.11/26,291.04
  6. Step 6: Final answer
    x = 21,648.16

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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.