Home / 26,607.36-36,721.48-15,280.40

Finding the Fourth Proportional to 26,607.36, 36,721.48 and 15,280.40

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Solution

The fourth proportional to 26,607.36, 36,721.48 and 15,280.40 is: 21,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.36 : 36,721.48 = 15,280.40 : x
  2. Step 2: Convert to fraction form
    26,607.36/36,721.48 = 15,280.40/x
  3. Step 3: Cross multiply
    26,607.36x = 36,721.48 × 15,280.40
  4. Step 4: Simplify right side
    26,607.36x = 561,118,902.99
  5. Step 5: Solve for x
    x = 561,118,902.99/26,607.36
  6. Step 6: Final answer
    x = 21,088.86

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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.