Home / 26,275.78-39,343.20-16,395.40

Finding the Fourth Proportional to 26,275.78, 39,343.20 and 16,395.40

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Solution

The fourth proportional to 26,275.78, 39,343.20 and 16,395.40 is: 24,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,275.78 : 39,343.20 = 16,395.40 : x
  2. Step 2: Convert to fraction form
    26,275.78/39,343.20 = 16,395.40/x
  3. Step 3: Cross multiply
    26,275.78x = 39,343.20 × 16,395.40
  4. Step 4: Simplify right side
    26,275.78x = 645,047,501.28
  5. Step 5: Solve for x
    x = 645,047,501.28/26,275.78
  6. Step 6: Final answer
    x = 24,549.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.