Home / 19,426.32-26,817-14,948.40

Finding the Fourth Proportional to 19,426.32, 26,817 and 14,948.40

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Solution

The fourth proportional to 19,426.32, 26,817 and 14,948.40 is: 20,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.32 : 26,817 = 14,948.40 : x
  2. Step 2: Convert to fraction form
    19,426.32/26,817 = 14,948.40/x
  3. Step 3: Cross multiply
    19,426.32x = 26,817 × 14,948.40
  4. Step 4: Simplify right side
    19,426.32x = 400,871,242.80
  5. Step 5: Solve for x
    x = 400,871,242.80/19,426.32
  6. Step 6: Final answer
    x = 20,635.47

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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.