Home / 25,688.79-38,518.59-15,307.83

Finding the Fourth Proportional to 25,688.79, 38,518.59 and 15,307.83

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Solution

The fourth proportional to 25,688.79, 38,518.59 and 15,307.83 is: 22,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.79 : 38,518.59 = 15,307.83 : x
  2. Step 2: Convert to fraction form
    25,688.79/38,518.59 = 15,307.83/x
  3. Step 3: Cross multiply
    25,688.79x = 38,518.59 × 15,307.83
  4. Step 4: Simplify right side
    25,688.79x = 589,636,027.56
  5. Step 5: Solve for x
    x = 589,636,027.56/25,688.79
  6. Step 6: Final answer
    x = 22,953.05

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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.