Home / 26,347.60-36,360.12-15,738.16

Finding the Fourth Proportional to 26,347.60, 36,360.12 and 15,738.16

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Solution

The fourth proportional to 26,347.60, 36,360.12 and 15,738.16 is: 21,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,347.60 : 36,360.12 = 15,738.16 : x
  2. Step 2: Convert to fraction form
    26,347.60/36,360.12 = 15,738.16/x
  3. Step 3: Cross multiply
    26,347.60x = 36,360.12 × 15,738.16
  4. Step 4: Simplify right side
    26,347.60x = 572,241,386.18
  5. Step 5: Solve for x
    x = 572,241,386.18/26,347.60
  6. Step 6: Final answer
    x = 21,718.92

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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.