Home / 26,115.18-36,038.90-14,178.40

Finding the Fourth Proportional to 26,115.18, 36,038.90 and 14,178.40

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Solution

The fourth proportional to 26,115.18, 36,038.90 and 14,178.40 is: 19,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.18 : 36,038.90 = 14,178.40 : x
  2. Step 2: Convert to fraction form
    26,115.18/36,038.90 = 14,178.40/x
  3. Step 3: Cross multiply
    26,115.18x = 36,038.90 × 14,178.40
  4. Step 4: Simplify right side
    26,115.18x = 510,973,939.76
  5. Step 5: Solve for x
    x = 510,973,939.76/26,115.18
  6. Step 6: Final answer
    x = 19,566.17

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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.