Home / 25,685.18-35,445.43-14,354.67

Finding the Fourth Proportional to 25,685.18, 35,445.43 and 14,354.67

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Solution

The fourth proportional to 25,685.18, 35,445.43 and 14,354.67 is: 19,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.18 : 35,445.43 = 14,354.67 : x
  2. Step 2: Convert to fraction form
    25,685.18/35,445.43 = 14,354.67/x
  3. Step 3: Cross multiply
    25,685.18x = 35,445.43 × 14,354.67
  4. Step 4: Simplify right side
    25,685.18x = 508,807,275.54
  5. Step 5: Solve for x
    x = 508,807,275.54/25,685.18
  6. Step 6: Final answer
    x = 19,809.37

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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.